diff --git a/Controller/ApiAssetAttributeController.php b/Controller/ApiAssetAttributeController.php
index 3279459..87cdd59 100644
--- a/Controller/ApiAssetAttributeController.php
+++ b/Controller/ApiAssetAttributeController.php
@@ -63,14 +63,14 @@ final class ApiAssetAttributeController extends Controller
 
         $type = AssetAttributeTypeMapper::get()
             ->with('defaults')
-            ->where('id', (int) $request->getData('type'))
+            ->where('id', $request->getDataInt('type') ?? 0)
             ->execute();
 
         if (!$type->isRepeatable) {
             $attr = AssetAttributeMapper::count()
                 ->with('type')
                 ->where('type/id', $type->id)
-                ->where('ref', (int) $request->getData('ref'))
+                ->where('ref', $request->getDataInt('ref') ?? 0)
                 ->executeCount();
 
             if ($attr > 0) {
@@ -243,7 +243,7 @@ final class ApiAssetAttributeController extends Controller
             ->with('type')
             ->with('type/defaults')
             ->with('value')
-            ->where('id', (int) $request->getData('id'))
+            ->where('id', $request->getDataInt('id') ?? 0)
             ->execute();
 
         $new = $this->updateAttributeFromRequest($request, clone $old);
@@ -291,7 +291,7 @@ final class ApiAssetAttributeController extends Controller
 
         $assetAttribute = AssetAttributeMapper::get()
             ->with('type')
-            ->where('id', (int) $request->getData('id'))
+            ->where('id', $request->getDataInt('id') ?? 0)
             ->execute();
 
         if ($assetAttribute->type->isRequired) {
@@ -327,7 +327,7 @@ final class ApiAssetAttributeController extends Controller
         }
 
         /** @var BaseStringL11n $old */
-        $old = AssetAttributeTypeL11nMapper::get()->where('id', (int) $request->getData('id'))->execute();
+        $old = AssetAttributeTypeL11nMapper::get()->where('id', $request->getDataInt('id') ?? 0)->execute();
         $new = $this->updateAttributeTypeL11nFromRequest($request, clone $old);
 
         $this->updateModel($request->header->account, $old, $new, AssetAttributeTypeL11nMapper::class, 'asset_attribute_type_l11n', $request->getOrigin());
@@ -357,7 +357,7 @@ final class ApiAssetAttributeController extends Controller
         }
 
         /** @var BaseStringL11n $assetAttributeTypeL11n */
-        $assetAttributeTypeL11n = AssetAttributeTypeL11nMapper::get()->where('id', (int) $request->getData('id'))->execute();
+        $assetAttributeTypeL11n = AssetAttributeTypeL11nMapper::get()->where('id', $request->getDataInt('id') ?? 0)->execute();
         $this->deleteModel($request->header->account, $assetAttributeTypeL11n, AssetAttributeTypeL11nMapper::class, 'asset_attribute_type_l11n', $request->getOrigin());
         $this->createStandardDeleteResponse($request, $response, $assetAttributeTypeL11n);
     }
@@ -385,7 +385,7 @@ final class ApiAssetAttributeController extends Controller
         }
 
         /** @var AttributeType $old */
-        $old = AssetAttributeTypeMapper::get()->with('defaults')->where('id', (int) $request->getData('id'))->execute();
+        $old = AssetAttributeTypeMapper::get()->with('defaults')->where('id', $request->getDataInt('id') ?? 0)->execute();
         $new = $this->updateAttributeTypeFromRequest($request, clone $old);
 
         $this->updateModel($request->header->account, $old, $new, AssetAttributeTypeMapper::class, 'asset_attribute_type', $request->getOrigin());
@@ -417,7 +417,7 @@ final class ApiAssetAttributeController extends Controller
         }
 
         /** @var AttributeType $assetAttributeType */
-        $assetAttributeType = AssetAttributeTypeMapper::get()->with('defaults')->where('id', (int) $request->getData('id'))->execute();
+        $assetAttributeType = AssetAttributeTypeMapper::get()->with('defaults')->where('id', $request->getDataInt('id') ?? 0)->execute();
         $this->deleteModel($request->header->account, $assetAttributeType, AssetAttributeTypeMapper::class, 'asset_attribute_type', $request->getOrigin());
         $this->createStandardDeleteResponse($request, $response, $assetAttributeType);
     }
@@ -445,7 +445,7 @@ final class ApiAssetAttributeController extends Controller
         }
 
         /** @var AttributeValue $old */
-        $old = AssetAttributeValueMapper::get()->where('id', (int) $request->getData('id'))->execute();
+        $old = AssetAttributeValueMapper::get()->where('id', $request->getDataInt('id') ?? 0)->execute();
 
         /** @var \Modules\Attribute\Models\Attribute $attr */
         $attr = AssetAttributeMapper::get()
@@ -485,7 +485,7 @@ final class ApiAssetAttributeController extends Controller
         // }
 
         // /** @var \Modules\AssetManagement\Models\AssetAttributeValue $assetAttributeValue */
-        // $assetAttributeValue = AssetAttributeValueMapper::get()->where('id', (int) $request->getData('id'))->execute();
+        // $assetAttributeValue = AssetAttributeValueMapper::get()->where('id', $request->getDataInt('id') ?? 0)->execute();
         // $this->deleteModel($request->header->account, $assetAttributeValue, AssetAttributeValueMapper::class, 'asset_attribute_value', $request->getOrigin());
         // $this->createStandardDeleteResponse($request, $response, $assetAttributeValue);
     }
@@ -513,7 +513,7 @@ final class ApiAssetAttributeController extends Controller
         }
 
         /** @var BaseStringL11n $old */
-        $old = AssetAttributeValueL11nMapper::get()->where('id', (int) $request->getData('id'));
+        $old = AssetAttributeValueL11nMapper::get()->where('id', $request->getDataInt('id') ?? 0);
         $new = $this->updateAttributeValueL11nFromRequest($request, clone $old);
 
         $this->updateModel($request->header->account, $old, $new, AssetAttributeValueL11nMapper::class, 'asset_attribute_value_l11n', $request->getOrigin());
@@ -543,7 +543,7 @@ final class ApiAssetAttributeController extends Controller
         }
 
         /** @var BaseStringL11n $assetAttributeValueL11n */
-        $assetAttributeValueL11n = AssetAttributeValueL11nMapper::get()->where('id', (int) $request->getData('id'))->execute();
+        $assetAttributeValueL11n = AssetAttributeValueL11nMapper::get()->where('id', $request->getDataInt('id') ?? 0)->execute();
         $this->deleteModel($request->header->account, $assetAttributeValueL11n, AssetAttributeValueL11nMapper::class, 'asset_attribute_value_l11n', $request->getOrigin());
         $this->createStandardDeleteResponse($request, $response, $assetAttributeValueL11n);
     }
diff --git a/Controller/ApiAssetTypeController.php b/Controller/ApiAssetTypeController.php
index f8a379e..47615ec 100644
--- a/Controller/ApiAssetTypeController.php
+++ b/Controller/ApiAssetTypeController.php
@@ -194,7 +194,7 @@ final class ApiAssetTypeController extends Controller
         }
 
         /** @var BaseStringL11nType $old */
-        $old = AssetTypeMapper::get()->where('id', (int) $request->getData('id'));
+        $old = AssetTypeMapper::get()->where('id', $request->getDataInt('id') ?? 0);
         $new = $this->updateAssetTypeFromRequest($request, clone $old);
 
         $this->updateModel($request->header->account, $old, $new, AssetTypeMapper::class, 'asset_type', $request->getOrigin());
@@ -264,7 +264,7 @@ final class ApiAssetTypeController extends Controller
         }
 
         /** @var BaseStringL11nType $assetType */
-        $assetType = AssetTypeMapper::get()->where('id', (int) $request->getData('id'))->execute();
+        $assetType = AssetTypeMapper::get()->where('id', $request->getDataInt('id') ?? 0)->execute();
         $this->deleteModel($request->header->account, $assetType, AssetTypeMapper::class, 'asset_type', $request->getOrigin());
         $this->createStandardDeleteResponse($request, $response, $assetType);
     }
@@ -311,7 +311,7 @@ final class ApiAssetTypeController extends Controller
         }
 
         /** @var BaseStringL11n $old */
-        $old = AssetTypeL11nMapper::get()->where('id', (int) $request->getData('id'));
+        $old = AssetTypeL11nMapper::get()->where('id', $request->getDataInt('id') ?? 0);
         $new = $this->updateAssetTypeL11nFromRequest($request, clone $old);
 
         $this->updateModel($request->header->account, $old, $new, AssetTypeL11nMapper::class, 'asset_type_l11n', $request->getOrigin());
@@ -378,7 +378,7 @@ final class ApiAssetTypeController extends Controller
         }
 
         /** @var BaseStringL11n $assetTypeL11n */
-        $assetTypeL11n = AssetTypeL11nMapper::get()->where('id', (int) $request->getData('id'))->execute();
+        $assetTypeL11n = AssetTypeL11nMapper::get()->where('id', $request->getDataInt('id') ?? 0)->execute();
         $this->deleteModel($request->header->account, $assetTypeL11n, AssetTypeL11nMapper::class, 'asset_type_l11n', $request->getOrigin());
         $this->createStandardDeleteResponse($request, $response, $assetTypeL11n);
     }
diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 9e8c04b..9a706ed 100644
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -355,7 +355,7 @@ final class ApiController extends Controller
         }
 
         /** @var \Modules\AssetManagement\Models\Asset $old */
-        $old = AssetMapper::get()->where('id', (int) $request->getData('id'))->execute();
+        $old = AssetMapper::get()->where('id', $request->getDataInt('id') ?? 0)->execute();
         $new = $this->updateAssetFromRequest($request, clone $old);
 
         $this->updateModel($request->header->account, $old, $new, AssetMapper::class, 'asset', $request->getOrigin());
@@ -429,7 +429,7 @@ final class ApiController extends Controller
         }
 
         /** @var \Modules\AssetManagement\Models\Asset $asset */
-        $asset = AssetMapper::get()->where('id', (int) $request->getData('id'))->execute();
+        $asset = AssetMapper::get()->where('id', $request->getDataInt('id') ?? 0)->execute();
         $this->deleteModel($request->header->account, $asset, AssetMapper::class, 'asset', $request->getOrigin());
         $this->createStandardDeleteResponse($request, $response, $asset);
     }
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index f5ee249..e06f066 100644
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -97,7 +97,7 @@ final class BackendController extends Controller
             ->with('files/tags')
             ->with('type')
             ->with('type/l11n')
-            ->where('id', (int) $request->getData('id'))
+            ->where('id', $request->getDataInt('id') ?? 0)
             ->where('type/l11n/language', $response->header->l11n->language)
             ->where('attributes/type/l11n/language', $response->header->l11n->language)
             ->where('attributes/value/l11n/language', [$response->header->l11n->language, null])
@@ -214,7 +214,7 @@ final class BackendController extends Controller
             ->with('l11n')
             ->with('defaults')
             ->with('defaults/l11n')
-            ->where('id', (int) $request->getData('id'))
+            ->where('id', $request->getDataInt('id') ?? 0)
             ->where('l11n/language', $response->header->l11n->language)
             ->where('defaults/l11n/language', [$response->header->l11n->language, null])
             ->execute();