Try to debug invalid tool calls

app.py

@@ -78,7 +78,7 @@ class MCPGroqClient:
             traceback.print_exception(e)
             if hasattr(e, "body") and "failed_generation" in e.body:
                 failed_generation = e.body["failed_generation"]
-                yield f"\n⚠️ Error: Failed to call a function. Invalid generation:\n{failed_generation}"
+                yield f"\n⚠️ Error: Failed to call a function. Invalid generation:\n{failed_generation} {messages[-1]}"
             else:
                 yield f"\n⚠️ Critical Error: {str(e)}"
         finally: