Update app.py

app.py

@@ -885,7 +885,12 @@ def generate_response_from_model(prompt, relevant_docs=None):
         raw_response = tokenizer.decode(outputs[0][input_length:], skip_special_tokens=True)
         return raw_response.strip()
     except Exception as e:
-        return "Error generating response."
+        error_msg = f"Error generating response: {str(e)}"
+        st.error(error_msg)  # Show error in UI
+        print(f"Model error: {str(e)}")  # Log to console
+        import traceback
+        traceback.print_exc()  # Print full stack trace
+        return error_msg
 
 def is_conversational_input(prompt):
     """Check if input is conversational."""