##acl MoinPagesEditorGroup:read,write,delete,revert All:read ##master-page:HelpTemplate ##master-date:Unknown-Date #format wiki #language en <<TableOfContents(3)>> == Errors when using runtime_monitor == === GUI doesn't come up or stays empty === If you see something like: {{{ Unable to register with master node [http://localhost:11311/]: master may not be running yet. Will keep trying. }}} * [[rosnode/Troubleshooting|Is your ROS_MASTER_URI pointing at the right place?]]