add error message and stop loading if something went wrong while loading exam in approval workflow

src/lib/createWorkflowsOnExamCreation.ts

@@ -72,7 +72,7 @@ export async function createApprovalWorkflowOnExamCreation(examAuthor: string, e
     if (totalCount === 0) { // current behaviour: if no workflow was found skip approval process
 		await db.collection(examModule).updateOne(
 			{ id: examId },
-			{ $set: { id: examId, isDiagnostic: false }},
+			{ $set: { id: examId, access: "private" }},
 			{ upsert: true }
 		);
     }

src/pages/approval-workflows/[id]/index.tsx

@@ -261,7 +261,7 @@ export default function Home({ user, initialWorkflow, id, workflowAssignees, wor
             const exam = await getExamById(examModule, examId.trim());
             if (!exam) {
                 toast.error(
-                    "Unknown Exam ID! Please make sure you selected the right module and entered the right exam ID",
+                    "Something went wrong while fetching exam!",
                     { toastId: "invalid-exam-id" }
                 );
                 setViewExamIsLoading(false);
@@ -272,6 +272,13 @@ export default function Home({ user, initialWorkflow, id, workflowAssignees, wor
                 payload: { exams: [exam], modules: [examModule] },
             });
             router.push("/exam");
+        } else {
+            toast.error(
+                "Something went wrong while fetching exam!",
+                { toastId: "invalid-exam-id" }
+            );
+            setViewExamIsLoading(false);
+            return;
         }
     }