diff --git a/Server/Migrations/01000000_InitializeModule.cs b/Server/Migrations/01000000_InitializeModule.cs
index 68c9401..6d7050d 100644
--- a/Server/Migrations/01000000_InitializeModule.cs
+++ b/Server/Migrations/01000000_InitializeModule.cs
@@ -26,10 +26,10 @@ namespace SZUAbsolventenverein.Module.EventRegistration.Migrations
 
         protected override void Down(MigrationBuilder migrationBuilder)
         {
-            var entityBuilder = new EventEntityBuilder(migrationBuilder, ActiveDatabase);
-            entityBuilder.Drop();
-            var entityBuilder2 = new EventResponseEntityBuilder(migrationBuilder, ActiveDatabase);
-            entityBuilder2.Drop();
+            var responseEB = new EventResponseEntityBuilder(migrationBuilder, ActiveDatabase);
+            responseEB.Drop();
+            var eventEB = new EventEntityBuilder(migrationBuilder, ActiveDatabase);
+            eventEB.Drop();
         }
     }
 }
diff --git a/Server/Services/EventRegistrationService.cs b/Server/Services/EventRegistrationService.cs
index 8f1112e..df4f243 100644
--- a/Server/Services/EventRegistrationService.cs
+++ b/Server/Services/EventRegistrationService.cs
@@ -6,6 +6,7 @@ using Oqtane.Enums;
 using Oqtane.Extensions;
 using Oqtane.Infrastructure;
 using Oqtane.Models;
+using Oqtane.Repository;
 using Oqtane.Security;
 using Oqtane.Shared;
 using SZUAbsolventenverein.Module.EventRegistration.Models;