diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 51c2cad..f6bf335 100644
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -18,10 +18,11 @@ use Modules\Knowledgebase\Models\WikiCategory;
 use Modules\Knowledgebase\Models\WikiCategoryMapper;
 use Modules\Knowledgebase\Models\WikiDoc;
 use Modules\Knowledgebase\Models\WikiDocMapper;
-
 use Modules\Knowledgebase\Models\WikiStatus;
+
 use phpOMS\Message\RequestAbstract;
 use phpOMS\Message\ResponseAbstract;
+use phpOMS\Utils\Parser\Markdown\Markdown;
 
 /**
  * Task class.
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index ceeab2a..2c293b0 100644
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -186,7 +186,7 @@ final class BackendController extends Controller
         $accountId = $request->getHeader()->getAccount();
 
         if (!$this->app->accountManager->get($accountId)->hasPermission(
-                PermissionType::READ, $this->app->orgId, $this->app->appName, self::MODULE_NAME, PermissionState::DOC, $category->getId())
+                PermissionType::READ, $this->app->orgId, $this->app->appName, self::MODULE_NAME, PermissionState::WIKI, $category->getId())
         ) {
             $view->setTemplate('/Web/Backend/Error/403_inline');
             $response->getHeader()->setStatusCode(RequestStatusCode::R_403);
diff --git a/Models/WikiDocMapper.php b/Models/WikiDocMapper.php
index 7af60c8..79499c6 100644
--- a/Models/WikiDocMapper.php
+++ b/Models/WikiDocMapper.php
@@ -50,6 +50,7 @@ final class WikiDocMapper extends DataMapperAbstract
      * @var array<string, array<string, null|string>>
      * @since 1.0.0
      */
+    /*
     protected static $hasMany = [
         'badges' => [
             'mapper' => BadgeMapper::class,
@@ -57,7 +58,7 @@ final class WikiDocMapper extends DataMapperAbstract
             'src'    => 'wiki_article_badge_badge',
             'dst'    => 'wiki_article_badge_article',
         ],
-    ];
+    ];*/
 
     /**
      * Has owns one relation.