Update app.py

app.py

@@ -111,8 +111,8 @@ if __name__ == '__main__':
             print(run_kwargs)
             try:
                 run_survey(**run_kwargs)
-            except:
-                st.write('server might be crowded right now, please try later, thank you for your patience)
+            except e:
+                st.write(f'ERROR: {str(e)}, server might be crowded right now, please try later, thank you for your patience')
                 pass
         else:
             st.write(f'{st.session_state.session_count} sessions running, this is a demo and only supports 2 parallel sessions, \n please try in sometime')