diff --git a/Admin/Install/db.json b/Admin/Install/db.json
index 1368770..8004a7c 100755
--- a/Admin/Install/db.json
+++ b/Admin/Install/db.json
@@ -58,6 +58,13 @@
                 "primary": true,
                 "autoincrement": true
             },
+            "editor_doc_type": {
+                "name": "editor_doc_type",
+                "type": "INT",
+                "null": true,
+                "foreignTable": "editor_doc_type",
+                "foreignKey": "editor_doc_type_id"
+            },
             "editor_doc_title": {
                 "name": "editor_doc_title",
                 "type": "VARCHAR(255)",
diff --git a/Models/EditorDocMapper.php b/Models/EditorDocMapper.php
index 32285d8..5195f29 100755
--- a/Models/EditorDocMapper.php
+++ b/Models/EditorDocMapper.php
@@ -37,15 +37,15 @@ final class EditorDocMapper extends DataMapperAbstract
      * @since 1.0.0
      */
     protected static array $columns = [
-        'editor_doc_id'                    => ['name' => 'editor_doc_id',         'type' => 'int',      'internal' => 'id'],
-        'editor_doc_created_by'            => ['name' => 'editor_doc_created_by', 'type' => 'int',      'internal' => 'createdBy', 'readonly' => true],
-        'editor_doc_title'                 => ['name' => 'editor_doc_title',      'type' => 'string',   'internal' => 'title'],
-        'editor_doc_plain'                 => ['name' => 'editor_doc_plain',      'type' => 'string',   'internal' => 'plain'],
-        'editor_doc_content'               => ['name' => 'editor_doc_content',    'type' => 'string',   'internal' => 'content'],
-        'editor_doc_type'                  => ['name' => 'editor_doc_type',            'type' => 'int',   'internal' => 'type'],
-        'editor_doc_virtual'               => ['name' => 'editor_doc_virtual',       'type' => 'string',   'internal' => 'virtualPath'],
-        'editor_doc_created_at'            => ['name' => 'editor_doc_created_at', 'type' => 'DateTimeImmutable', 'internal' => 'createdAt', 'readonly' => true],
-        'editor_doc_visible'               => ['name' => 'editor_doc_visible', 'type' => 'bool', 'internal' => 'isVisible'],
+        'editor_doc_id'         => ['name' => 'editor_doc_id',         'type' => 'int',      'internal' => 'id'],
+        'editor_doc_created_by' => ['name' => 'editor_doc_created_by', 'type' => 'int',      'internal' => 'createdBy', 'readonly' => true],
+        'editor_doc_title'      => ['name' => 'editor_doc_title',      'type' => 'string',   'internal' => 'title'],
+        'editor_doc_plain'      => ['name' => 'editor_doc_plain',      'type' => 'string',   'internal' => 'plain'],
+        'editor_doc_content'    => ['name' => 'editor_doc_content',    'type' => 'string',   'internal' => 'content'],
+        'editor_doc_type'       => ['name' => 'editor_doc_type',       'type' => 'int',   'internal' => 'type'],
+        'editor_doc_virtual'    => ['name' => 'editor_doc_virtual',    'type' => 'string',   'internal' => 'virtualPath'],
+        'editor_doc_created_at' => ['name' => 'editor_doc_created_at', 'type' => 'DateTimeImmutable', 'internal' => 'createdAt', 'readonly' => true],
+        'editor_doc_visible'    => ['name' => 'editor_doc_visible',    'type' => 'bool', 'internal' => 'isVisible'],
     ];
 
     /**
@@ -56,8 +56,8 @@ final class EditorDocMapper extends DataMapperAbstract
      */
     protected static array $belongsTo = [
         'createdBy' => [
-            'mapper'     => AccountMapper::class,
-            'external'   => 'editor_doc_created_by',
+            'mapper'   => AccountMapper::class,
+            'external' => 'editor_doc_created_by',
         ],
     ];
 
@@ -69,8 +69,8 @@ final class EditorDocMapper extends DataMapperAbstract
      */
     protected static array $ownsOne = [
         'type' => [
-            'mapper'     => EdutirDocTypeMapper::class,
-            'external'   => 'editor_doc_type',
+            'mapper'   => EditorDocTypeMapper::class,
+            'external' => 'editor_doc_type',
         ],
     ];
 
diff --git a/Models/EditorDocTypeL11nMapper.php b/Models/EditorDocTypeL11nMapper.php
index 4b99ad5..bd37889 100644
--- a/Models/EditorDocTypeL11nMapper.php
+++ b/Models/EditorDocTypeL11nMapper.php
@@ -33,10 +33,10 @@ final class EditorDocTypeL11nMapper extends DataMapperAbstract
      * @since 1.0.0
      */
     protected static array $columns = [
-        'editor_doc_type_l11n_id'        => ['name' => 'editor_doc_type_l11n_id',       'type' => 'int',    'internal' => 'id'],
-        'editor_doc_type_l11n_title'     => ['name' => 'editor_doc_type_l11n_title',    'type' => 'string', 'internal' => 'title', 'autocomplete' => true],
-        'editor_doc_type_l11n_type'      => ['name' => 'editor_doc_type_l11n_type',      'type' => 'int',    'internal' => 'type'],
-        'editor_doc_type_l11n_language'  => ['name' => 'editor_doc_type_l11n_language', 'type' => 'string', 'internal' => 'language'],
+        'editor_doc_type_l11n_id'       => ['name' => 'editor_doc_type_l11n_id',       'type' => 'int',    'internal' => 'id'],
+        'editor_doc_type_l11n_title'    => ['name' => 'editor_doc_type_l11n_title',    'type' => 'string', 'internal' => 'title', 'autocomplete' => true],
+        'editor_doc_type_l11n_type'     => ['name' => 'editor_doc_type_l11n_type',     'type' => 'int',    'internal' => 'type'],
+        'editor_doc_type_l11n_language' => ['name' => 'editor_doc_type_l11n_language', 'type' => 'string', 'internal' => 'language'],
     ];
 
     /**
diff --git a/Models/EditorDocTypeMapper.php b/Models/EditorDocTypeMapper.php
index 33ed270..02a7168 100644
--- a/Models/EditorDocTypeMapper.php
+++ b/Models/EditorDocTypeMapper.php
@@ -33,8 +33,8 @@ final class EditorDocTypeMapper extends DataMapperAbstract
      * @since 1.0.0
      */
     protected static array $columns = [
-        'editor_doc_type_id'    => ['name' => 'editor_doc_type_id',    'type' => 'int',    'internal' => 'id'],
-        'editor_doc_type_name'  => ['name' => 'editor_doc_type_name', 'type' => 'string', 'internal' => 'name'],
+        'editor_doc_type_id'   => ['name' => 'editor_doc_type_id',    'type' => 'int',    'internal' => 'id'],
+        'editor_doc_type_name' => ['name' => 'editor_doc_type_name', 'type' => 'string', 'internal' => 'name'],
     ];
 
     /**
@@ -45,12 +45,12 @@ final class EditorDocTypeMapper extends DataMapperAbstract
      */
     protected static array $hasMany = [
         'title' => [
-            'mapper'            => EditorDocTypeL11nMapper::class,
-            'table'             => 'editor_doc_type_l11n',
-            'self'              => 'editor_doc_type_l11n_type',
-            'column'            => 'title',
-            'conditional'       => true,
-            'external'          => null,
+            'mapper'      => EditorDocTypeL11nMapper::class,
+            'table'       => 'editor_doc_type_l11n',
+            'self'        => 'editor_doc_type_l11n_type',
+            'column'      => 'title',
+            'conditional' => true,
+            'external'    => null,
         ],
     ];
 
diff --git a/Models/NullEditorDocType.php b/Models/NullEditorDocType.php
new file mode 100644
index 0000000..a250297
--- /dev/null
+++ b/Models/NullEditorDocType.php
@@ -0,0 +1,39 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 8.0
+ *
+ * @package   Modules\Editor\Models
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\Editor\Models;
+
+/**
+ * Null model
+ *
+ * @package Modules\Editor\Models
+ * @license OMS License 1.0
+ * @link    https://orange-management.org
+ * @since   1.0.0
+ */
+final class NullEditorDocType extends EditorDocType
+{
+    /**
+     * Constructor
+     *
+     * @param int $id Model id
+     *
+     * @since 1.0.0
+     */
+    public function __construct(int $id = 0)
+    {
+        $this->id = $id;
+        parent::__construct();
+    }
+}
diff --git a/Models/NullEditorDocTypeL11n.php b/Models/NullEditorDocTypeL11n.php
new file mode 100644
index 0000000..b272fb0
--- /dev/null
+++ b/Models/NullEditorDocTypeL11n.php
@@ -0,0 +1,39 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 8.0
+ *
+ * @package   Modules\Editor\Models
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\Editor\Models;
+
+/**
+ * Null model
+ *
+ * @package Modules\Editor\Models
+ * @license OMS License 1.0
+ * @link    https://orange-management.org
+ * @since   1.0.0
+ */
+final class NullEditorDocTypeL11n extends EditorDocTypeL11n
+{
+    /**
+     * Constructor
+     *
+     * @param int $id Model id
+     *
+     * @since 1.0.0
+     */
+    public function __construct(int $id = 0)
+    {
+        $this->id = $id;
+        parent::__construct();
+    }
+}