Update fapi.py

fapi.py

@@ -172,7 +172,7 @@ async def chat_endpoint(req: ChatRequest):
             
             reply_text = reply_text.strip()
             if not reply_text:
-                reply_text = "Sorry, there is an issue in our end :("
+                reply_text = "Our systems are currently overloaded due to heavy usage on the free plan. Please try again in a moment."
         else:
             print("Processing direct response...")
             reply_text = str(agent_response)