Update api.py

api.py

@@ -503,8 +503,8 @@ async def create_several_probdesc(request: CreateSeveralProbDescRequest):
     technical_topic = request.technical_topic
 
     # Basic input validation
-    if not descriptions_map or not challenges_map or not technical_topic:
-        raise HTTPException(status_code=400, detail="Missing required fields: descriptions, challenges, or technical_topic.")
+    if not key_issues_list or not technical_topic:
+        raise HTTPException(status_code=400, detail="Missing required fields: keys_issues or technical_topic.")
 
     logger.info(f"Received request to generate multiple problem descriptions for topic: {technical_topic}")