diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 2d5aa38..0aaaecb 100644
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -353,7 +353,7 @@ final class ApiController extends Controller
         $mediaCollection->setName($name);
         $mediaCollection->setDescription(Markdown::parse($description));
         $mediaCollection->setDescriptionRaw($description);
-        $mediaCollection->setCreatedBy($account);
+        $mediaCollection->setCreatedBy(new NullAccount($account));
         $mediaCollection->setSources($media);
         $mediaCollection->setVirtualPath('/Modules/Helper');
         $mediaCollection->setPath('/Modules/Helper');
diff --git a/Models/CollectionMapper.php b/Models/CollectionMapper.php
index 091d3ee..26d7c56 100644
--- a/Models/CollectionMapper.php
+++ b/Models/CollectionMapper.php
@@ -27,7 +27,7 @@ final class CollectionMapper extends MediaMapper
     /**
      * Has many relation.
      *
-     * @var array<string, array{mapper:string, table:string, self?:?string, external?:?string}>
+     * @var array<string, array{mapper:string, table:string, self?:?string, external?:?string, column?:string}>
      * @since 1.0.0
      */
     protected static array $hasMany = [