Enabled verbose error reporting

web_ui.py

@@ -191,7 +191,8 @@ class WebUI:
 
         demo.queue(default_concurrency_limit=concurrency_limit).launch(share=share,
                                                                        server_name=server_name,
-                                                                       server_port=server_port)
+                                                                       server_port=server_port
+                                                                       show_error=True)
 
     def change_agent(self, agent_selector):
         yield agent_selector, self._create_agent_info_block(agent_selector), self._create_agent_plugins_block(