In my UR Simulator it doesn't show robo error occurs

Technical Questions
1

This was error occur when i Start the robo and i can’t see the robo simulator in 3d view

Canvas3D_createNewContext: couldn’t create context
17:15:43.380 ERROR - Rendering error occurred on canvas named: G5 TCP 3D Canvas {thread: J3D-NotificationThread , loggerClass: gui.debug.RenderingErrorListener}
17:15:43.380 ERROR - CONTEXT_CREATION_ERROR: Renderer: Error creating Canvas3D graphics context {thread: J3D-NotificationThread , loggerClass: gui.debug.RenderingErrorListener}

i am using ubuntu 20.04.3 LTS,Java 1.8

2

Perhaps you should clarify. Are you using URSim? which version?
Or are you are using a different simulator?

3

It was URSim only and it resolved. Thank you.