diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 9b65d3d..b2e8148 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -44,7 +44,7 @@ final class ApiController extends Controller
      *
      * @param RequestAbstract  $request  Request
      * @param ResponseAbstract $response Response
-     * @param mixed            $data     Generic data
+     * @param array            $data     Generic data
      *
      * @return void
      *
@@ -52,7 +52,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    public function apiProfileCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
+    public function apiProfileCreate(RequestAbstract $request, ResponseAbstract $response, array $data = []) : void
     {
         $profiles = $this->createProfilesFromRequest($request);
         $created  = [];
@@ -73,7 +73,7 @@ final class ApiController extends Controller
      *
      * @param RequestAbstract  $request  Request
      * @param ResponseAbstract $response Response
-     * @param mixed            $data     Generic data
+     * @param array            $data     Generic data
      *
      * @return void
      *
@@ -81,7 +81,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    public function apiProfileTempLoginCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
+    public function apiProfileTempLoginCreate(RequestAbstract $request, ResponseAbstract $response, array $data = []) : void
     {
         /** @var \Modules\Admin\Models\Account $account */
         $account               = AccountMapper::get()->where('id', $request->header->account)->execute();
@@ -136,7 +136,7 @@ final class ApiController extends Controller
      *
      * @param RequestAbstract  $request  Request
      * @param ResponseAbstract $response Response
-     * @param mixed            $data     Generic data
+     * @param array            $data     Generic data
      *
      * @return void
      *
@@ -144,7 +144,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    public function apiSettingsAccountImageSet(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
+    public function apiSettingsAccountImageSet(RequestAbstract $request, ResponseAbstract $response, array $data = []) : void
     {
         $uploadedFiles = $request->files;
 
@@ -201,7 +201,7 @@ final class ApiController extends Controller
      *
      * @param RequestAbstract  $request  Request
      * @param ResponseAbstract $response Response
-     * @param mixed            $data     Generic data
+     * @param array            $data     Generic data
      *
      * @return void
      *
@@ -209,7 +209,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    public function apiContactElementCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
+    public function apiContactElementCreate(RequestAbstract $request, ResponseAbstract $response, array $data = []) : void
     {
         if (!empty($val = $this->validateContactElementCreate($request))) {
             $response->header->status = RequestStatusCode::R_400;
@@ -286,7 +286,7 @@ final class ApiController extends Controller
      *
      * @param RequestAbstract  $request  Request
      * @param ResponseAbstract $response Response
-     * @param mixed            $data     Generic data
+     * @param array            $data     Generic data
      *
      * @return void
      *
@@ -294,7 +294,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    public function apiAddressCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
+    public function apiAddressCreate(RequestAbstract $request, ResponseAbstract $response, array $data = []) : void
     {
         if (!empty($val = $this->validateAddressCreate($request))) {
             $response->header->status = RequestStatusCode::R_400;
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 612cce6..0e13b2d 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -41,13 +41,13 @@ final class BackendController extends Controller
      *
      * @param RequestAbstract  $request  Request
      * @param ResponseAbstract $response Response
-     * @param mixed            $data     Generic data
+     * @param array            $data     Generic data
      *
      * @return void
      *
      * @since 1.0.0
      */
-    public function setupProfileStyles(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
+    public function setupProfileStyles(RequestAbstract $request, ResponseAbstract $response, array $data = []) : void
     {
         /** @var \phpOMS\Model\Html\Head $head */
         $head = $response->data['Content']->head;
@@ -59,13 +59,13 @@ final class BackendController extends Controller
      *
      * @param RequestAbstract  $request  Request
      * @param ResponseAbstract $response Response
-     * @param mixed            $data     Generic data
+     * @param array            $data     Generic data
      *
      * @return RenderableInterface
      *
      * @since 1.0.0
      */
-    public function viewProfileList(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : RenderableInterface
+    public function viewProfileList(RequestAbstract $request, ResponseAbstract $response, array $data = []) : RenderableInterface
     {
         $view = new View($this->app->l11nManager, $request, $response);
 
@@ -109,13 +109,13 @@ final class BackendController extends Controller
      *
      * @param RequestAbstract  $request  Request
      * @param ResponseAbstract $response Response
-     * @param mixed            $data     Generic data
+     * @param array            $data     Generic data
      *
      * @return RenderableInterface
      *
      * @since 1.0.0
      */
-    public function viewProfileSingle(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : RenderableInterface
+    public function viewProfileSingle(RequestAbstract $request, ResponseAbstract $response, array $data = []) : RenderableInterface
     {
         $view = new View($this->app->l11nManager, $request, $response);
 
@@ -182,13 +182,13 @@ final class BackendController extends Controller
      *
      * @param RequestAbstract  $request  Request
      * @param ResponseAbstract $response Response
-     * @param mixed            $data     Generic data
+     * @param array            $data     Generic data
      *
      * @return RenderableInterface
      *
      * @since 1.0.0
      */
-    public function viewModuleSettings(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : RenderableInterface
+    public function viewModuleSettings(RequestAbstract $request, ResponseAbstract $response, array $data = []) : RenderableInterface
     {
         $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/' . static::NAME . '/Admin/Settings/Theme/Backend/settings');
@@ -202,13 +202,13 @@ final class BackendController extends Controller
      *
      * @param RequestAbstract  $request  Request
      * @param ResponseAbstract $response Response
-     * @param mixed            $data     Generic data
+     * @param array            $data     Generic data
      *
      * @return RenderableInterface
      *
      * @since 1.0.0
      */
-    public function viewProfileAdminCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : RenderableInterface
+    public function viewProfileAdminCreate(RequestAbstract $request, ResponseAbstract $response, array $data = []) : RenderableInterface
     {
         $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Profile/Theme/Backend/modules-create');