diff --git a/client/src/composables.ts b/client/src/composables.ts
index d13e4585..295718f3 100644
--- a/client/src/composables.ts
+++ b/client/src/composables.ts
@@ -157,6 +157,10 @@ export function useCourseData(courseSlug: string) {
     .toPromise();
 
   resultPromise.then((result) => {
+    if (result.error) {
+      log.error(result.error);
+    }
+
     course.value = result.data?.course as Course;
     actionCompetences.value = result.data?.course
       ?.action_competences as ActionCompetence[];
diff --git a/server/vbv_lernwelt/course/graphql/queries.py b/server/vbv_lernwelt/course/graphql/queries.py
index f33ee22c..b12b45e8 100644
--- a/server/vbv_lernwelt/course/graphql/queries.py
+++ b/server/vbv_lernwelt/course/graphql/queries.py
@@ -60,33 +60,3 @@ class CourseQuery(graphene.ObjectType):
     learning_content_document_list = graphene.Field(
         LearningContentDocumentListObjectType
     )
-
-    def resolve_learning_content_media_library(self, info):
-        return None
-
-    def resolve_learning_content_assignment(self, info):
-        return None
-
-    def resolve_learning_content_attendance_course(self, info):
-        return None
-
-    def resolve_learning_content_feedback(self, info):
-        return None
-
-    def resolve_learning_content_learning_module(self, info):
-        return None
-
-    def resolve_learning_content_placeholder(self, info):
-        return None
-
-    def resolve_learning_content_rich_text(self, info):
-        return None
-
-    def resolve_learning_content_test(self, info):
-        return None
-
-    def resolve_learning_content_video(self, info):
-        return None
-
-    def resolve_learning_content_document_list(self, info):
-        return None