diff --git a/Admin/Install/Media/bill.pdf.php b/Admin/Install/Media/bill.pdf.php
index de82b58..5ce010d 100755
--- a/Admin/Install/Media/bill.pdf.php
+++ b/Admin/Install/Media/bill.pdf.php
@@ -1,4 +1,5 @@
-<?php declare(strict_types=1);
+<?php
+declare(strict_types=1);
 
 use Mpdf\Mpdf;
 
diff --git a/Theme/Backend/invoice-create.tpl.php b/Theme/Backend/invoice-create.tpl.php
index 8a7df14..fd61a4e 100755
--- a/Theme/Backend/invoice-create.tpl.php
+++ b/Theme/Backend/invoice-create.tpl.php
@@ -65,7 +65,7 @@ echo $this->getData('nav')->render(); ?>
                                     <tr><td><select id="iTermsOfDelivery" name="termsofdelivery">
                                                 <option>
                                             </select>
-                                    <tr><td><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>">
+                                    <tr><td><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>" name="create-invoice">
                                 </table>
                             </form>
                         </div>
@@ -202,7 +202,7 @@ echo $this->getData('nav')->render(); ?>
                                     <tr><td><input type="datetime-local" id="iDue" name="due">
                                     <tr><td><label for="iCashBack2"><?= $this->getHtml('Cashback'); ?> 2</label>
                                     <tr><td><input type="number" id="iCashBack2" name="cashback2">
-                                    <tr><td><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>">
+                                    <tr><td><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>" name="create-invoice">
                                 </table>
                             </form>
                         </div>
diff --git a/Theme/Backend/purchase-bill.tpl.php b/Theme/Backend/purchase-bill.tpl.php
index 60701fc..d8a6042 100755
--- a/Theme/Backend/purchase-bill.tpl.php
+++ b/Theme/Backend/purchase-bill.tpl.php
@@ -84,7 +84,7 @@ echo $this->getData('nav')->render(); ?>
                                             </select>
                                 </table>
                             </div>
-                            <div class="portlet-foot"><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>"></div>
+                            <div class="portlet-foot"><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>" name="create-bill"></div>
                         </form>
                     </section>
                 </div>
@@ -166,26 +166,26 @@ echo $this->getData('nav')->render(); ?>
                             <?php foreach ($elements as $element) : ?>
                             <tr>
                                 <td><i class="fa fa-plus add"></i> <i class="fa fa-chevron-up order-up"></i> <i class="fa fa-chevron-down order-down"></i>
-                                <td><span class="input"><button type="button" formaction=""><i class="fa fa-book"></i></button><input type="text" value="<?= $element->itemNumber; ?>" required></span>
+                                <td><span class="input"><button type="button" formaction=""><i class="fa fa-book"></i></button><input name="" type="text" value="<?= $element->itemNumber; ?>" required></span>
                                 <td><textarea required><?= $element->itemName; ?></textarea>
-                                <td><input type="number" min="0" value="<?= $element->quantity; ?>" required>
-                                <td><input type="text" value="<?= $element->singleSalesPriceNet->getCurrency(); ?>">
-                                <td><input type="number" min="0">
-                                <td><input type="number" min="0" max="100" step="any">
-                                <td><input type="number" min="0" step="any">
-                                <td><input type="number" min="0" step="any">
+                                <td><input name="" type="number" min="0" value="<?= $element->quantity; ?>" required>
+                                <td><input name="" type="text" value="<?= $element->singleSalesPriceNet->getCurrency(); ?>">
+                                <td><input name="" type="number" min="0">
+                                <td><input name="" type="number" min="0" max="100" step="any">
+                                <td><input name="" type="number" min="0" step="any">
+                                <td><input name="" type="number" min="0" step="any">
                                 <td><?= $element->totalSalesPriceNet->getCurrency(); ?>
                             <?php endforeach; ?>
                             <tr>
                                 <td><i class="fa fa-plus"></i> <i class="fa fa-chevron-up order-up"></i> <i class="fa fa-chevron-down order-down"></i>
-                                <td><span class="input"><button type="button" formaction=""><i class="fa fa-book"></i></button><input type="text" required></span>
+                                <td><span class="input"><button type="button" formaction=""><i class="fa fa-book"></i></button><input name="" type="text" required></span>
                                 <td><textarea required></textarea>
-                                <td><input type="number" min="0" value="0" required>
-                                <td><input type="text">
-                                <td><input type="number" min="0">
-                                <td><input type="number" min="0" max="100" step="any">
-                                <td><input type="number" min="0" step="any">
-                                <td><input type="number" min="0" step="any">
+                                <td><input name="" type="number" min="0" value="0" required>
+                                <td><input name="" type="text">
+                                <td><input name="" type="number" min="0">
+                                <td><input name="" type="number" min="0" max="100" step="any">
+                                <td><input name="" type="number" min="0" step="any">
+                                <td><input name="" type="number" min="0" step="any">
                                 <td>
                         </table>
                         </div>
@@ -258,7 +258,7 @@ echo $this->getData('nav')->render(); ?>
                                     <tr><td><input type="datetime-local" id="iDue" name="due">
                                     <tr><td><label for="iCashBack2"><?= $this->getHtml('Cashback'); ?> 2</label>
                                     <tr><td><input type="number" id="iCashBack2" name="cashback2">
-                                    <tr><td><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>">
+                                    <tr><td><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>" name="create-bill">
                                 </table>
                             </form>
                         </div>
diff --git a/Theme/Backend/region-analysis.tpl.php b/Theme/Backend/region-analysis.tpl.php
index c7d47bc..b8229cd 100755
--- a/Theme/Backend/region-analysis.tpl.php
+++ b/Theme/Backend/region-analysis.tpl.php
@@ -136,7 +136,7 @@ echo $this->getData('nav')->render();
                                 }'></canvas>
 
                             <div class="more-container">
-                                <input id="more-customer-region" type="checkbox">
+                                <input id="more-customer-region" type="checkbox" name="more-container">
                                 <label for="more-customer-region">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
@@ -325,7 +325,7 @@ echo $this->getData('nav')->render();
                                     }'></canvas>
 
                             <div class="more-container">
-                                <input id="more-customer-region-annual" type="checkbox">
+                                <input id="more-customer-region-annual" type="checkbox" name="more-container">
                                 <label for="more-customer-region-annual">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
@@ -406,7 +406,7 @@ echo $this->getData('nav')->render();
                                 }'></canvas>
 
                             <div class="more-container">
-                                <input id="more-customer-region" type="checkbox">
+                                <input id="more-customer-region" type="checkbox" name="more-container">
                                 <label for="more-customer-region">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
@@ -595,7 +595,7 @@ echo $this->getData('nav')->render();
                                     }'></canvas>
 
                             <div class="more-container">
-                                <input id="more-customer-region-annual" type="checkbox">
+                                <input id="more-customer-region-annual" type="checkbox" name="more-container">
                                 <label for="more-customer-region-annual">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
@@ -682,7 +682,7 @@ echo $this->getData('nav')->render();
                             Sales / Profit - Monthly
                             <?php include __DIR__ . '/../../../../Web/Backend/Themes/popup-export-data.tpl.php'; ?>
                         </div>
-                        <?php $salesCustomer = $this->getData('monthlySalesCustomer'); ?>
+                        <?php $saleCustomer = $this->getData('monthlySaleCustomer'); ?>
                         <div class="portlet-body">
                             <canvas id="sales-region" data-chart='{
                                             "type": "bar",
@@ -690,7 +690,7 @@ echo $this->getData('nav')->render();
                                                 "labels": [
                                                     <?php
                                                         $temp = [];
-                                                        foreach ($salesCustomer as $monthly) {
+                                                        foreach ($saleCustomer as $monthly) {
                                                             $temp[] = $monthly['month'] . '/' . \substr((string) $monthly['year'], -2);
                                                         }
                                                     ?>
@@ -703,7 +703,7 @@ echo $this->getData('nav')->render();
                                                         "data": [
                                                             <?php
                                                                 $temp = [];
-                                                                foreach ($salesCustomer as $monthly) {
+                                                                foreach ($saleCustomer as $monthly) {
                                                                     $temp[] = ((int) $monthly['customers']);
                                                                 }
                                                             ?>
@@ -721,7 +721,7 @@ echo $this->getData('nav')->render();
                                                         "data": [
                                                             <?php
                                                                 $temp = [];
-                                                                foreach ($salesCustomer as $monthly) {
+                                                                foreach ($saleCustomer as $monthly) {
                                                                     $temp[] = ((int) $monthly['net_sales']) / 1000;
                                                                 }
                                                             ?>
@@ -764,8 +764,8 @@ echo $this->getData('nav')->render();
                                             }
                                     }'></canvas>
                             <div class="more-container">
-                                <input id="more-scustomer-sales" type="checkbox">
-                                <label for="more-scustomer-sales">
+                                <input id="more-customer-sales" type="checkbox" name="more-container">
+                                <label for="more-customer-sales">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
                                 </label>
@@ -781,7 +781,7 @@ echo $this->getData('nav')->render();
                                         <?php
                                             $sum1 = 0;
                                             $sum2 = 0;
-                                        foreach ($salesCustomer as $values) :
+                                        foreach ($saleCustomer as $values) :
                                             $sum1 += ((int) $values['net_sales']) / 1000;
                                             $sum2 += ((int) $values['customers']);
                                         ?>
@@ -809,7 +809,7 @@ echo $this->getData('nav')->render();
                             Sales / Profit - Annual
                             <?php include __DIR__ . '/../../../../Web/Backend/Themes/popup-export-data.tpl.php'; ?>
                         </div>
-                        <?php $salesCustomer = $this->getData('annualSalesCustomer'); ?>
+                        <?php $saleCustomer = $this->getData('annualSaleCustomer'); ?>
                         <div class="portlet-body">
                             <canvas id="sales-customer-annual" data-chart='{
                                             "type": "bar",
@@ -817,7 +817,7 @@ echo $this->getData('nav')->render();
                                                 "labels": [
                                                     <?php
                                                         $temp = [];
-                                                        foreach ($salesCustomer as $annual) {
+                                                        foreach ($saleCustomer as $annual) {
                                                             $temp[] = $annual['year'];
                                                         }
                                                     ?>
@@ -830,7 +830,7 @@ echo $this->getData('nav')->render();
                                                         "data": [
                                                             <?php
                                                                 $temp = [];
-                                                                foreach ($salesCustomer as $annual) {
+                                                                foreach ($saleCustomer as $annual) {
                                                                     $temp[] = ((int) $annual['customers']);
                                                                 }
                                                             ?>
@@ -848,7 +848,7 @@ echo $this->getData('nav')->render();
                                                         "data": [
                                                             <?php
                                                                 $temp = [];
-                                                                foreach ($salesCustomer as $annual) {
+                                                                foreach ($saleCustomer as $annual) {
                                                                     $temp[] = ((int) $annual['net_sales']) / 1000;
                                                                 }
                                                             ?>
@@ -891,8 +891,8 @@ echo $this->getData('nav')->render();
                                             }
                                     }'></canvas>
                             <div class="more-container">
-                                <input id="more-scustomer-sales-annual" type="checkbox">
-                                <label for="more-scustomer-sales-annual">
+                                <input id="more-customer-sales-annual" type="checkbox" name="more-container">
+                                <label for="more-customer-sales-annual">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
                                 </label>
@@ -906,7 +906,7 @@ echo $this->getData('nav')->render();
                                             <td>Profit %
                                     <tbody>
                                         <?php
-                                        foreach ($salesCustomer as $values) :
+                                        foreach ($saleCustomer as $values) :
                                         ?>
                                             <tr>
                                                 <td><?= (string) $values['year']; ?>
@@ -979,7 +979,7 @@ echo $this->getData('nav')->render();
                             </div>
 
                             <div class="more-container">
-                                <input id="more-customer-attribute-current" type="checkbox">
+                                <input id="more-customer-attribute-current" type="checkbox" name="more-container">
                                 <label for="more-customer-attribute-current">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
@@ -1177,7 +1177,7 @@ echo $this->getData('nav')->render();
                                 </div>
 
                             <div class="more-container">
-                                <input id="more-customer-attribute-annual" type="checkbox">
+                                <input id="more-customer-attribute-annual" type="checkbox" name="more-container">
                                 <label for="more-customer-attribute-annual">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
@@ -1272,7 +1272,7 @@ echo $this->getData('nav')->render();
                             </div>
 
                             <div class="more-container">
-                                <input id="more-customer-attribute-current" type="checkbox">
+                                <input id="more-customer-attribute-current" type="checkbox" name="more-container">
                                 <label for="more-customer-attribute-current">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
@@ -1470,7 +1470,7 @@ echo $this->getData('nav')->render();
                                 </div>
 
                             <div class="more-container">
-                                <input id="more-customer-attribute-annual" type="checkbox">
+                                <input id="more-customer-attribute-annual" type="checkbox" name="more-container">
                                 <label for="more-customer-attribute-annual">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
@@ -1513,7 +1513,7 @@ echo $this->getData('nav')->render();
                             Invoices / Articles - Monthly
                             <?php include __DIR__ . '/../../../../Web/Backend/Themes/popup-export-data.tpl.php'; ?>
                         </div>
-                        <?php $salesCustomer = $this->getData('monthlySalesCustomer'); ?>
+                        <?php $saleCustomer = $this->getData('monthlySaleCustomer'); ?>
                         <div class="portlet-body">
                             <canvas id="sales-region" data-chart='{
                                             "type": "bar",
@@ -1521,7 +1521,7 @@ echo $this->getData('nav')->render();
                                                 "labels": [
                                                     <?php
                                                         $temp = [];
-                                                        foreach ($salesCustomer as $monthly) {
+                                                        foreach ($saleCustomer as $monthly) {
                                                             $temp[] = $monthly['month'] . '/' . \substr((string) $monthly['year'], -2);
                                                         }
                                                     ?>
@@ -1534,7 +1534,7 @@ echo $this->getData('nav')->render();
                                                         "data": [
                                                             <?php
                                                                 $temp = [];
-                                                                foreach ($salesCustomer as $monthly) {
+                                                                foreach ($saleCustomer as $monthly) {
                                                                     $temp[] = ((int) $monthly['customers']);
                                                                 }
                                                             ?>
@@ -1552,7 +1552,7 @@ echo $this->getData('nav')->render();
                                                         "data": [
                                                             <?php
                                                                 $temp = [];
-                                                                foreach ($salesCustomer as $monthly) {
+                                                                foreach ($saleCustomer as $monthly) {
                                                                     $temp[] = ((int) $monthly['net_sales']) / 1000;
                                                                 }
                                                             ?>
@@ -1595,8 +1595,8 @@ echo $this->getData('nav')->render();
                                             }
                                     }'></canvas>
                             <div class="more-container">
-                                <input id="more-scustomer-sales" type="checkbox">
-                                <label for="more-scustomer-sales">
+                                <input id="more-customer-sales" type="checkbox" name="more-container">
+                                <label for="more-customer-sales">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
                                 </label>
@@ -1611,7 +1611,7 @@ echo $this->getData('nav')->render();
                                         <?php
                                             $sum1 = 0;
                                             $sum2 = 0;
-                                        foreach ($salesCustomer as $values) :
+                                        foreach ($saleCustomer as $values) :
                                             $sum1 += ((int) $values['net_sales']) / 1000;
                                             $sum2 += ((int) $values['customers']);
                                         ?>
@@ -1639,7 +1639,7 @@ echo $this->getData('nav')->render();
                             Invoices / Articles - Annual
                             <?php include __DIR__ . '/../../../../Web/Backend/Themes/popup-export-data.tpl.php'; ?>
                         </div>
-                        <?php $salesCustomer = $this->getData('annualSalesCustomer'); ?>
+                        <?php $saleCustomer = $this->getData('annualSaleCustomer'); ?>
                         <div class="portlet-body">
                             <canvas id="sales-customer-annual" data-chart='{
                                             "type": "bar",
@@ -1647,7 +1647,7 @@ echo $this->getData('nav')->render();
                                                 "labels": [
                                                     <?php
                                                         $temp = [];
-                                                        foreach ($salesCustomer as $annual) {
+                                                        foreach ($saleCustomer as $annual) {
                                                             $temp[] = $annual['year'];
                                                         }
                                                     ?>
@@ -1660,7 +1660,7 @@ echo $this->getData('nav')->render();
                                                         "data": [
                                                             <?php
                                                                 $temp = [];
-                                                                foreach ($salesCustomer as $annual) {
+                                                                foreach ($saleCustomer as $annual) {
                                                                     $temp[] = ((int) $annual['customers']);
                                                                 }
                                                             ?>
@@ -1678,7 +1678,7 @@ echo $this->getData('nav')->render();
                                                         "data": [
                                                             <?php
                                                                 $temp = [];
-                                                                foreach ($salesCustomer as $annual) {
+                                                                foreach ($saleCustomer as $annual) {
                                                                     $temp[] = ((int) $annual['net_sales']) / 1000;
                                                                 }
                                                             ?>
@@ -1721,8 +1721,8 @@ echo $this->getData('nav')->render();
                                             }
                                     }'></canvas>
                             <div class="more-container">
-                                <input id="more-scustomer-sales-annual" type="checkbox">
-                                <label for="more-scustomer-sales-annual">
+                                <input id="more-customer-sales-annual" type="checkbox" name="more-container">
+                                <label for="more-customer-sales-annual">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
                                 </label>
@@ -1735,7 +1735,7 @@ echo $this->getData('nav')->render();
                                             <td>Articles
                                     <tbody>
                                         <?php
-                                        foreach ($salesCustomer as $values) :
+                                        foreach ($saleCustomer as $values) :
                                         ?>
                                             <tr>
                                                 <td><?= (string) $values['year']; ?>
diff --git a/Theme/Backend/rep-analysis.tpl.php b/Theme/Backend/rep-analysis.tpl.php
index e6aa7fc..595d054 100755
--- a/Theme/Backend/rep-analysis.tpl.php
+++ b/Theme/Backend/rep-analysis.tpl.php
@@ -140,7 +140,7 @@ echo $this->getData('nav')->render();
                                     }'></canvas>
 
                             <div class="more-container">
-                                <input id="more-customer-rep-current" type="checkbox">
+                                <input id="more-customer-rep-current" type="checkbox" name="more-container">
                                 <label for="more-customer-rep-current">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
@@ -254,7 +254,7 @@ echo $this->getData('nav')->render();
                                     }'></canvas>
 
                             <div class="more-container">
-                                <input id="more-customer-rep-current" type="checkbox">
+                                <input id="more-customer-rep-current" type="checkbox" name="more-container">
                                 <label for="more-customer-rep-current">
                                     <span>Data</span>
                                     <i class="fa fa-chevron-right expand"></i>
diff --git a/Theme/Backend/sales-bill.tpl.php b/Theme/Backend/sales-bill.tpl.php
index 85feb1b..8acd266 100755
--- a/Theme/Backend/sales-bill.tpl.php
+++ b/Theme/Backend/sales-bill.tpl.php
@@ -80,7 +80,7 @@ echo $this->getData('nav')->render(); ?>
                                             </select>
                                 </table>
                             </div>
-                            <div class="portlet-foot"><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>"></div>
+                            <div class="portlet-foot"><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>" name="create-bill"></div>
                         </form>
                     </section>
                 </div>
@@ -122,15 +122,15 @@ echo $this->getData('nav')->render(); ?>
                                                 <option>
                                             </select>
                                     <tr><td><label for="iDRecipient"><?= $this->getHtml('Recipient'); ?></label>
-                                    <tr><td><input type="text" id="iDRecipient" name="drecipient">
+                                    <tr><td><input name="" type="text" id="iDRecipient" name="drecipient">
                                     <tr><td><label for="iAddress"><?= $this->getHtml('Address'); ?></label>
-                                    <tr><td><input type="text" id="iAddress" name="address">
+                                    <tr><td><input name="" type="text" id="iAddress" name="address">
                                     <tr><td><label for="iZip"><?= $this->getHtml('Zip'); ?></label>
-                                    <tr><td><input type="text" id="iZip" name="zip">
+                                    <tr><td><input name="" type="text" id="iZip" name="zip">
                                     <tr><td><label for="iCity"><?= $this->getHtml('City'); ?></label>
-                                    <tr><td><input type="text" id="iCity" name="city">
+                                    <tr><td><input name="" type="text" id="iCity" name="city">
                                     <tr><td><label for="iCountry"><?= $this->getHtml('Country'); ?></label>
-                                    <tr><td><input type="text" id="iCountry" name="country">
+                                    <tr><td><input name="" type="text" id="iCountry" name="country">
                                 </table>
                             </form>
                         </div>
@@ -162,26 +162,26 @@ echo $this->getData('nav')->render(); ?>
                             <?php foreach ($elements as $element) : ?>
                             <tr>
                                 <td><i class="fa fa-plus add"></i> <i class="fa fa-chevron-up order-up"></i> <i class="fa fa-chevron-down order-down"></i>
-                                <td><span class="input"><button type="button" formaction=""><i class="fa fa-book"></i></button><input type="text" value="<?= $element->itemNumber; ?>" required></span>
+                                <td><span class="input"><button type="button" formaction=""><i class="fa fa-book"></i></button><input name="" type="text" value="<?= $element->itemNumber; ?>" required></span>
                                 <td><textarea required><?= $element->itemName; ?></textarea>
-                                <td><input type="number" min="0" value="<?= $element->quantity; ?>" required>
-                                <td><input type="text" value="<?= $element->singleSalesPriceNet->getCurrency(); ?>">
-                                <td><input type="number" min="0">
-                                <td><input type="number" min="0" max="100" step="any">
-                                <td><input type="number" min="0" step="any">
-                                <td><input type="number" min="0" step="any">
+                                <td><input name="" type="number" min="0" value="<?= $element->quantity; ?>" required>
+                                <td><input name="" type="text" value="<?= $element->singleSalesPriceNet->getCurrency(); ?>">
+                                <td><input name="" type="number" min="0">
+                                <td><input name="" type="number" min="0" max="100" step="any">
+                                <td><input name="" type="number" min="0" step="any">
+                                <td><input name="" type="number" min="0" step="any">
                                 <td><?= $element->totalSalesPriceNet->getCurrency(); ?>
                             <?php endforeach; ?>
                             <tr>
                                 <td><i class="fa fa-plus"></i> <i class="fa fa-chevron-up order-up"></i> <i class="fa fa-chevron-down order-down"></i>
-                                <td><span class="input"><button type="button" formaction=""><i class="fa fa-book"></i></button><input type="text" required></span>
+                                <td><span class="input"><button type="button" formaction=""><i class="fa fa-book"></i></button><input name="" type="text" required></span>
                                 <td><textarea required></textarea>
-                                <td><input type="number" min="0" value="0" required>
-                                <td><input type="text">
-                                <td><input type="number" min="0">
-                                <td><input type="number" min="0" max="100" step="any">
-                                <td><input type="number" min="0" step="any">
-                                <td><input type="number" min="0" step="any">
+                                <td><input name="" type="number" min="0" value="0" required>
+                                <td><input name="" type="text">
+                                <td><input name="" type="number" min="0">
+                                <td><input name="" type="number" min="0" max="100" step="any">
+                                <td><input name="" type="number" min="0" step="any">
+                                <td><input name="" type="number" min="0" step="any">
                                 <td>
                         </table>
                         </div>
@@ -238,7 +238,7 @@ echo $this->getData('nav')->render(); ?>
                                     <tr><td><input type="datetime-local" id="iDue" name="due">
                                     <tr><td><label for="iCashBack2"><?= $this->getHtml('Cashback'); ?> 2</label>
                                     <tr><td><input type="number" id="iCashBack2" name="cashback2">
-                                    <tr><td><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>">
+                                    <tr><td><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>" name="create-bill">
                                 </table>
                             </form>
                         </div>
diff --git a/Theme/Backend/user-purchase-bill.tpl.php b/Theme/Backend/user-purchase-bill.tpl.php
index f1d29c9..29bfea5 100644
--- a/Theme/Backend/user-purchase-bill.tpl.php
+++ b/Theme/Backend/user-purchase-bill.tpl.php
@@ -84,7 +84,7 @@ echo $this->getData('nav')->render(); ?>
                                             </select>
                                 </table>
                             </div>
-                            <div class="portlet-foot"><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>"></div>
+                            <div class="portlet-foot"><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>" name="create-bill"></div>
                         </form>
                     </section>
                 </div>
@@ -165,26 +165,26 @@ echo $this->getData('nav')->render(); ?>
                             <?php foreach ($elements as $element) : ?>
                             <tr>
                                 <td><i class="fa fa-plus add"></i> <i class="fa fa-chevron-up order-up"></i> <i class="fa fa-chevron-down order-down"></i>
-                                <td><span class="input"><button type="button" formaction=""><i class="fa fa-book"></i></button><input type="text" value="<?= $element->itemNumber; ?>" required></span>
+                                <td><span class="input"><button type="button" formaction=""><i class="fa fa-book"></i></button><input name="" type="text" value="<?= $element->itemNumber; ?>" required></span>
                                 <td><textarea required><?= $element->itemName; ?></textarea>
-                                <td><input type="number" min="0" value="<?= $element->quantity; ?>" required>
-                                <td><input type="text" value="<?= $element->singleSalesPriceNet->getCurrency(); ?>">
-                                <td><input type="number" min="0">
-                                <td><input type="number" min="0" max="100" step="any">
-                                <td><input type="number" min="0" step="any">
-                                <td><input type="number" min="0" step="any">
+                                <td><input name="" type="number" min="0" value="<?= $element->quantity; ?>" required>
+                                <td><input name="" type="text" value="<?= $element->singleSalesPriceNet->getCurrency(); ?>">
+                                <td><input name="" type="number" min="0">
+                                <td><input name="" type="number" min="0" max="100" step="any">
+                                <td><input name="" type="number" min="0" step="any">
+                                <td><input name="" type="number" min="0" step="any">
                                 <td><?= $element->totalSalesPriceNet->getCurrency(); ?>
                             <?php endforeach; ?>
                             <tr>
                                 <td><i class="fa fa-plus"></i> <i class="fa fa-chevron-up order-up"></i> <i class="fa fa-chevron-down order-down"></i>
-                                <td><span class="input"><button type="button" formaction=""><i class="fa fa-book"></i></button><input type="text" required></span>
+                                <td><span class="input"><button type="button" formaction=""><i class="fa fa-book"></i></button><input name="" type="text" required></span>
                                 <td><textarea required></textarea>
-                                <td><input type="number" min="0" value="0" required>
-                                <td><input type="text">
-                                <td><input type="number" min="0">
-                                <td><input type="number" min="0" max="100" step="any">
-                                <td><input type="number" min="0" step="any">
-                                <td><input type="number" min="0" step="any">
+                                <td><input name="" type="number" min="0" value="0" required>
+                                <td><input name="" type="text">
+                                <td><input name="" type="number" min="0">
+                                <td><input name="" type="number" min="0" max="100" step="any">
+                                <td><input name="" type="number" min="0" step="any">
+                                <td><input name="" type="number" min="0" step="any">
                                 <td>
                         </table>
                         <div class="portlet-foot">
@@ -256,7 +256,7 @@ echo $this->getData('nav')->render(); ?>
                                     <tr><td><input type="datetime-local" id="iDue" name="due">
                                     <tr><td><label for="iCashBack2"><?= $this->getHtml('Cashback'); ?> 2</label>
                                     <tr><td><input type="number" id="iCashBack2" name="cashback2">
-                                    <tr><td><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>">
+                                    <tr><td><input type="submit" value="<?= $this->getHtml('Create', '0', '0'); ?>" name="create-bill">
                                 </table>
                             </form>
                         </div>
diff --git a/tests/Bootstrap.php b/tests/Bootstrap.php
index 252a62f..d46fd31 100755
--- a/tests/Bootstrap.php
+++ b/tests/Bootstrap.php
@@ -1,4 +1,5 @@
-<?php declare(strict_types=1);
+<?php
+declare(strict_types=1);
 
 // Modules/tests