diff --git a/client/src/pages/cockpit/assignmentEvaluationPage/AssignmentEvaluationPage.vue b/client/src/pages/cockpit/assignmentEvaluationPage/AssignmentEvaluationPage.vue
index 6872cb56..fad881a7 100644
--- a/client/src/pages/cockpit/assignmentEvaluationPage/AssignmentEvaluationPage.vue
+++ b/client/src/pages/cockpit/assignmentEvaluationPage/AssignmentEvaluationPage.vue
@@ -71,16 +71,15 @@ const assignment = computed(
 
 <template>
   <div class="absolute bottom-0 top-0 z-10 w-full bg-white">
-    <div
-      v-if="assignment && assignmentCompletion && state.assignmentUser"
-      class="relative"
-    >
+    <div v-if="queryResult.fetching.value"></div>
+    <div v-else-if="queryResult.error.value">{{ queryResult.error.value }}</div>
+    <div v-else>
       <header
         class="relative flex h-12 w-full items-center justify-between border-b border-b-gray-400 bg-white px-4 lg:h-16 lg:px-8"
       >
         <div class="flex items-center text-gray-900">
           <it-icon-assignment class="h-6 w-6"></it-icon-assignment>
-          <div class="ml-2">Geleitete Fallarbeit: {{ assignment.title }}</div>
+          <div class="ml-2">Geleitete Fallarbeit: {{ assignment?.title }}</div>
         </div>
         <button
           type="button"
@@ -91,39 +90,44 @@ const assignment = computed(
           <it-icon-close></it-icon-close>
         </button>
       </header>
+      <div
+        v-if="assignment && assignmentCompletion && state.assignmentUser"
+        class="relative"
+      >
+        <div class="h-content flex">
+          <div class="h-full w-1/2 overflow-y-auto bg-white">
+            <!-- Left part content goes here -->
+            <div class="p-10" data-cy="student-submission">
+              <h3>Ergebnisse</h3>
 
-      <div class="h-content flex">
-        <div class="h-full w-1/2 overflow-y-auto bg-white">
-          <!-- Left part content goes here -->
-          <div class="p-10" data-cy="student-submission">
-            <h3>Ergebnisse</h3>
-
-            <div class="my-6 flex items-center">
-              <img
-                :src="state.assignmentUser?.avatar_url"
-                class="mr-4 h-11 w-11 rounded-full"
-              />
-              <div class="font-bold">
-                {{ state.assignmentUser?.first_name }}
-                {{ state.assignmentUser?.last_name }}
+              <div class="my-6 flex items-center">
+                <img
+                  :src="state.assignmentUser?.avatar_url"
+                  class="mr-4 h-11 w-11 rounded-full"
+                />
+                <div class="font-bold">
+                  {{ state.assignmentUser?.first_name }}
+                  {{ state.assignmentUser?.last_name }}
+                </div>
               </div>
+              <AssignmentSubmissionResponses
+                :assignment="assignment"
+                :assignment-completion-data="assignmentCompletion.completion_data"
+                :allow-edit="false"
+              ></AssignmentSubmissionResponses>
             </div>
-            <AssignmentSubmissionResponses
+          </div>
+          <div class="w-1/2 overflow-y-auto bg-gray-200">
+            <EvaluationContainer
+              :assignment-completion="assignmentCompletion"
+              :assignment-user="state.assignmentUser"
               :assignment="assignment"
-              :assignment-completion-data="assignmentCompletion.completion_data"
-              :allow-edit="false"
-            ></AssignmentSubmissionResponses>
+              @close="close()"
+            ></EvaluationContainer>
           </div>
         </div>
-        <div class="w-1/2 overflow-y-auto bg-gray-200">
-          <EvaluationContainer
-            :assignment-completion="assignmentCompletion"
-            :assignment-user="state.assignmentUser"
-            :assignment="assignment"
-            @close="close()"
-          ></EvaluationContainer>
-        </div>
       </div>
+      <div v-else>Could not load all data</div>
     </div>
   </div>
 </template>
diff --git a/client/src/pages/cockpit/assignmentEvaluationPage/EvaluationIntro.vue b/client/src/pages/cockpit/assignmentEvaluationPage/EvaluationIntro.vue
index 808f7aa6..26557de1 100644
--- a/client/src/pages/cockpit/assignmentEvaluationPage/EvaluationIntro.vue
+++ b/client/src/pages/cockpit/assignmentEvaluationPage/EvaluationIntro.vue
@@ -26,13 +26,13 @@ const upsertAssignmentCompletionMutation = useMutation(
 async function startEvaluation() {
   log.debug("startEvaluation");
   if (props.assignmentCompletion.completion_status !== "EVALUATION_SUBMITTED") {
-    // noinspection TypeScriptValidateTypes
     upsertAssignmentCompletionMutation.executeMutation({
       assignmentId: props.assignment.id.toString(),
       courseSessionId: courseSession.value.id.toString(),
       assignmentUserId: props.assignmentUser.user_id.toString(),
       completionStatus: "EVALUATION_IN_PROGRESS",
       completionDataString: JSON.stringify({}),
+      // next line used for urql
       // eslint-disable-next-line @typescript-eslint/ban-ts-comment
       // @ts-ignore
       id: props.assignmentCompletion?.id,
diff --git a/client/src/pages/cockpit/assignmentEvaluationPage/EvaluationSummary.vue b/client/src/pages/cockpit/assignmentEvaluationPage/EvaluationSummary.vue
index a4dcfc4c..a8a00790 100644
--- a/client/src/pages/cockpit/assignmentEvaluationPage/EvaluationSummary.vue
+++ b/client/src/pages/cockpit/assignmentEvaluationPage/EvaluationSummary.vue
@@ -41,7 +41,6 @@ const upsertAssignmentCompletionMutation = useMutation(
 );
 
 async function submitEvaluation() {
-  // noinspection TypeScriptValidateTypes
   upsertAssignmentCompletionMutation.executeMutation({
     assignmentId: props.assignment.id.toString(),
     courseSessionId: courseSession.value.id.toString(),
@@ -50,6 +49,7 @@ async function submitEvaluation() {
     completionDataString: JSON.stringify({}),
     evaluationGrade: grade.value ?? 1,
     evaluationPoints: userPoints.value,
+    // next line used for urql
     // eslint-disable-next-line @typescript-eslint/ban-ts-comment
     // @ts-ignore
     id: props.assignmentCompletion?.id,
diff --git a/client/src/pages/cockpit/assignmentEvaluationPage/EvaluationTask.vue b/client/src/pages/cockpit/assignmentEvaluationPage/EvaluationTask.vue
index bf209793..0ea67c73 100644
--- a/client/src/pages/cockpit/assignmentEvaluationPage/EvaluationTask.vue
+++ b/client/src/pages/cockpit/assignmentEvaluationPage/EvaluationTask.vue
@@ -65,7 +65,6 @@ const upsertAssignmentCompletionMutation = useMutation(
 async function evaluateAssignmentCompletion(completionData: AssignmentCompletionData) {
   log.debug("evaluateAssignmentCompletion", completionData);
 
-  // noinspection TypeScriptValidateTypes
   upsertAssignmentCompletionMutation.executeMutation({
     assignmentId: props.assignment.id.toString(),
     courseSessionId: courseSession.value.id.toString(),
diff --git a/client/src/pages/learningPath/learningContentPage/assignment/AssignmentSubmissionView.vue b/client/src/pages/learningPath/learningContentPage/assignment/AssignmentSubmissionView.vue
index 2e7aeb4a..11d1b14c 100644
--- a/client/src/pages/learningPath/learningContentPage/assignment/AssignmentSubmissionView.vue
+++ b/client/src/pages/learningPath/learningContentPage/assignment/AssignmentSubmissionView.vue
@@ -63,7 +63,6 @@ const onEditTask = (task: AssignmentTask) => {
 
 const onSubmit = async () => {
   try {
-    // noinspection TypeScriptValidateTypes
     await upsertAssignmentCompletionMutation.executeMutation({
       assignmentId: props.assignment.id.toString(),
       courseSessionId: courseSession.value.id.toString(),
diff --git a/client/src/pages/learningPath/learningContentPage/assignment/AssignmentTaskView.vue b/client/src/pages/learningPath/learningContentPage/assignment/AssignmentTaskView.vue
index de5ec0bd..f698330e 100644
--- a/client/src/pages/learningPath/learningContentPage/assignment/AssignmentTaskView.vue
+++ b/client/src/pages/learningPath/learningContentPage/assignment/AssignmentTaskView.vue
@@ -32,7 +32,6 @@ const upsertAssignmentCompletionMutation = useMutation(
 
 async function upsertAssignmentCompletion(completion_data: AssignmentCompletionData) {
   try {
-    // noinspection TypeScriptValidateTypes
     await upsertAssignmentCompletionMutation.executeMutation({
       assignmentId: props.assignmentId.toString(),
       courseSessionId: courseSession.value.id.toString(),
diff --git a/client/src/pages/learningPath/learningContentPage/assignment/AssignmentView.vue b/client/src/pages/learningPath/learningContentPage/assignment/AssignmentView.vue
index 8638a1d7..4456097d 100644
--- a/client/src/pages/learningPath/learningContentPage/assignment/AssignmentView.vue
+++ b/client/src/pages/learningPath/learningContentPage/assignment/AssignmentView.vue
@@ -40,7 +40,6 @@ const props = defineProps<{
   learningContent: LearningContentAssignment;
 }>();
 
-// noinspection TypeScriptValidateTypes TODO: because of IntelliJ
 const queryResult = useQuery({
   query: ASSIGNMENT_COMPLETION_QUERY,
   variables: {
@@ -87,7 +86,6 @@ onMounted(async () => {
 
   // create initial `AssignmentCompletion` first, so that it exists and we don't
   // have reactivity problem accessing it.
-  // noinspection TypeScriptValidateTypes
   await upsertAssignmentCompletionMutation.executeMutation({
     assignmentId: props.learningContent.content_assignment_id.toString(),
     courseSessionId: courseSession.value.id.toString(),
@@ -207,63 +205,68 @@ const endBadgeText = computed(() => {
 </script>
 
 <template>
-  <div v-if="assignment && assignmentCompletion">
-    <div class="flex">
-      <LearningContentMultiLayout
-        :current-step="stepIndex"
-        :sub-title="subTitle"
-        :title="getTitle()"
-        :learning-content="props.learningContent"
-        :steps-count="numPages"
-        :show-next-button="showNextButton && stepIndex !== 0"
-        :show-exit-button="showExitButton"
-        :show-start-button="showNextButton && stepIndex === 0"
-        :show-previous-button="showPreviousButton"
-        :base-url="props.learningContent.frontend_url"
-        step-query-param="step"
-        start-badge-text="Einleitung"
-        :end-badge-text="endBadgeText"
-        close-button-variant="close"
-        @previous="handleBack()"
-        @next="handleContinue()"
-      >
-        <div class="flex">
-          <div>
-            <AssignmentIntroductionView
-              v-if="stepIndex === 0"
-              :due-date="dueDate"
-              :assignment="assignment"
-            ></AssignmentIntroductionView>
-            <AssignmentTaskView
-              v-else-if="currentTask"
-              :task="currentTask"
-              :assignment-id="props.learningContent.content_assignment_id"
-              :assignment-completion="assignmentCompletion"
-              :learning-content-id="props.learningContent.id"
-            ></AssignmentTaskView>
-            <AssignmentSubmissionView
-              v-else-if="assignmentType === 'CASEWORK' && stepIndex + 1 === numPages"
-              :due-date="dueDate"
-              :assignment="assignment"
-              :assignment-completion="assignmentCompletion"
-              :learning-content-id="props.learningContent.id"
-              :course-session-id="courseSession.id"
-              @edit-task="jumpToTask($event)"
-            ></AssignmentSubmissionView>
+  <div v-if="queryResult.fetching.value"></div>
+  <div v-else-if="queryResult.error.value">{{ queryResult.error.value }}</div>
+  <div v-else>
+    <div v-if="assignment && assignmentCompletion">
+      <div class="flex">
+        <LearningContentMultiLayout
+          :current-step="stepIndex"
+          :sub-title="subTitle"
+          :title="getTitle()"
+          :learning-content="props.learningContent"
+          :steps-count="numPages"
+          :show-next-button="showNextButton && stepIndex !== 0"
+          :show-exit-button="showExitButton"
+          :show-start-button="showNextButton && stepIndex === 0"
+          :show-previous-button="showPreviousButton"
+          :base-url="props.learningContent.frontend_url"
+          step-query-param="step"
+          start-badge-text="Einleitung"
+          :end-badge-text="endBadgeText"
+          close-button-variant="close"
+          @previous="handleBack()"
+          @next="handleContinue()"
+        >
+          <div class="flex">
+            <div>
+              <AssignmentIntroductionView
+                v-if="stepIndex === 0"
+                :due-date="dueDate"
+                :assignment="assignment"
+              ></AssignmentIntroductionView>
+              <AssignmentTaskView
+                v-else-if="currentTask"
+                :task="currentTask"
+                :assignment-id="props.learningContent.content_assignment_id"
+                :assignment-completion="assignmentCompletion"
+                :learning-content-id="props.learningContent.id"
+              ></AssignmentTaskView>
+              <AssignmentSubmissionView
+                v-else-if="assignmentType === 'CASEWORK' && stepIndex + 1 === numPages"
+                :due-date="dueDate"
+                :assignment="assignment"
+                :assignment-completion="assignmentCompletion"
+                :learning-content-id="props.learningContent.id"
+                :course-session-id="courseSession.id"
+                @edit-task="jumpToTask($event)"
+              ></AssignmentSubmissionView>
+            </div>
           </div>
+        </LearningContentMultiLayout>
+        <div
+          v-if="assignmentCompletion?.completion_status === 'EVALUATION_SUBMITTED'"
+          class="min-w-2/5 mr-4 bg-gray-200 px-6 py-6"
+        >
+          <EvaluationSummary
+            :assignment-user="assignmentUser"
+            :assignment="assignment"
+            :assignment-completion="assignmentCompletion"
+            :show-evaluation-user="true"
+          ></EvaluationSummary>
         </div>
-      </LearningContentMultiLayout>
-      <div
-        v-if="assignmentCompletion?.completion_status === 'EVALUATION_SUBMITTED'"
-        class="min-w-2/5 mr-4 bg-gray-200 px-6 py-6"
-      >
-        <EvaluationSummary
-          :assignment-user="assignmentUser"
-          :assignment="assignment"
-          :assignment-completion="assignmentCompletion"
-          :show-evaluation-user="true"
-        ></EvaluationSummary>
       </div>
     </div>
+    <div v-else>Could not load all data</div>
   </div>
 </template>
diff --git a/client/src/pages/learningPath/learningPathPage/LearningPathPage.vue b/client/src/pages/learningPath/learningPathPage/LearningPathPage.vue
index af505914..f499a0d7 100644
--- a/client/src/pages/learningPath/learningPathPage/LearningPathPage.vue
+++ b/client/src/pages/learningPath/learningPathPage/LearningPathPage.vue
@@ -140,7 +140,7 @@ const changeViewType = (viewType: ViewType) => {
         class="p-6"
         :class="useMobileLayout ? 'bg-gray-200' : ''"
       >
-        <LearningPathAppointmentsMock></LearningPathAppointmentsMock>
+        <!--<LearningPathAppointmentsMock></LearningPathAppointmentsMock>-->
       </div>
     </div>
   </div>
diff --git a/server/vbv_lernwelt/course/creators/test_course.py b/server/vbv_lernwelt/course/creators/test_course.py
index 93de6a3d..0baf416c 100644
--- a/server/vbv_lernwelt/course/creators/test_course.py
+++ b/server/vbv_lernwelt/course/creators/test_course.py
@@ -184,6 +184,7 @@ def create_test_assignment_submitted_data(assignment, course_session, user):
                 assignment_user=user,
                 assignment=assignment,
                 course_session=course_session,
+                learning_content_page=assignment.learningcontentassignment_set.first(),
                 completion_data={
                     subtask["id"]: {
                         "user_data": {"text": user_text},
@@ -194,6 +195,7 @@ def create_test_assignment_submitted_data(assignment, course_session, user):
             assignment_user=user,
             assignment=assignment,
             course_session=course_session,
+            learning_content_page=assignment.learningcontentassignment_set.first(),
             completion_status=AssignmentCompletionStatus.SUBMITTED,
         )