diff --git a/Admin/Installer.php b/Admin/Installer.php
index 4dfe2cf..0046388 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -17,6 +17,7 @@ namespace Modules\Marketing\Admin;
 
 use phpOMS\DataStorage\Database\DatabaseType;
 use phpOMS\DataStorage\Database\Pool;
+use phpOMS\Module\InfoManager;
 use phpOMS\Module\InstallerAbstract;
 
 /**
diff --git a/Admin/Routes/http.php b/Admin/Routes/http.php
index f2389bf..de21568 100644
--- a/Admin/Routes/http.php
+++ b/Admin/Routes/http.php
@@ -1,5 +1,7 @@
 <?php
 
+use phpOMS\Router\RouteVerb;
+
 return [
     '^.*/backend/marketing/promotion/list.*$' => [
         [
diff --git a/Controller.php b/Controller.php
index 8d5a921..814b6b8 100644
--- a/Controller.php
+++ b/Controller.php
@@ -90,7 +90,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @since  1.0.0
      * @author Dennis Eichhorn <d.eichhorn@oms.com>
      */
-    public function viewMarketingPromotionList(RequestAbstract $request, ResponseAbstract $response, $data = null) : RenderableInterface
+    public function viewMarketingPromotionList(RequestAbstract $request, ResponseAbstract $response, $data = null) : \Serializable
     {
         $view = new View($this->app, $request, $response);
         $view->setTemplate('/Modules/Marketing/Theme/Backend/promotion-list');
@@ -109,7 +109,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @since  1.0.0
      * @author Dennis Eichhorn <d.eichhorn@oms.com>
      */
-    public function viewMarketingPromotionCreate(RequestAbstract $request, ResponseAbstract $response, $data = null) : RenderableInterface
+    public function viewMarketingPromotionCreate(RequestAbstract $request, ResponseAbstract $response, $data = null) : \Serializable
     {
         $view = new View($this->app, $request, $response);
         $view->setTemplate('/Modules/Marketing/Theme/Backend/promotion-create');
@@ -128,7 +128,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @since  1.0.0
      * @author Dennis Eichhorn <d.eichhorn@oms.com>
      */
-    public function viewMarketingEventList(RequestAbstract $request, ResponseAbstract $response, $data = null) : RenderableInterface
+    public function viewMarketingEventList(RequestAbstract $request, ResponseAbstract $response, $data = null) : \Serializable
     {
         $view = new View($this->app, $request, $response);
         $view->setTemplate('/Modules/Marketing/Theme/Backend/event-list');
@@ -147,7 +147,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @since  1.0.0
      * @author Dennis Eichhorn <d.eichhorn@oms.com>
      */
-    public function viewMarketingEventCreate(RequestAbstract $request, ResponseAbstract $response, $data = null) : RenderableInterface
+    public function viewMarketingEventCreate(RequestAbstract $request, ResponseAbstract $response, $data = null) : \Serializable
     {
         $view = new View($this->app, $request, $response);
         $view->setTemplate('/Modules/Marketing/Theme/Backend/event-create');
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index e25baa2..e8756b6 100644
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -13,7 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
-$MODLANG['Marketing'] = [
+return ['Marketing' => [
     'Budget'      => 'Budget',
     'Description' => 'Description',
     'Expenses'    => 'Expenses',
@@ -28,4 +28,4 @@ $MODLANG['Marketing'] = [
     'Status'      => 'Status',
     'Title'       => 'Title',
     'Type'        => 'Type',
-];
+]];
diff --git a/Theme/backend/Lang/Navigation.en.lang.php b/Theme/backend/Lang/Navigation.en.lang.php
index 66aae9c..0828912 100644
--- a/Theme/backend/Lang/Navigation.en.lang.php
+++ b/Theme/backend/Lang/Navigation.en.lang.php
@@ -13,10 +13,10 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
-$MODLANG['Navigation'] = [
+return ['Navigation' => [
     'Analysis'   => 'Analysis',
     'Create'     => 'Create',
     'Events'     => 'Events',
     'Marketing'  => 'Marketing',
     'Promotions' => 'Promotions',
-];
+]];
diff --git a/Theme/backend/Lang/en.lang.php b/Theme/backend/Lang/en.lang.php
index e25baa2..e8756b6 100644
--- a/Theme/backend/Lang/en.lang.php
+++ b/Theme/backend/Lang/en.lang.php
@@ -13,7 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
-$MODLANG['Marketing'] = [
+return ['Marketing' => [
     'Budget'      => 'Budget',
     'Description' => 'Description',
     'Expenses'    => 'Expenses',
@@ -28,4 +28,4 @@ $MODLANG['Marketing'] = [
     'Status'      => 'Status',
     'Title'       => 'Title',
     'Type'        => 'Type',
-];
+]];