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

**URL:** <https://forum.universal-robots.com/t/in-my-ur-simulator-it-doesnt-show-robo-error-occurs/16223>\
**Category:** Technical Questions\
**Created:** [September 1, 2021, 11:54am UTC](https://forum.universal-robots.com/t/in-my-ur-simulator-it-doesnt-show-robo-error-occurs/16223 "2021-09-01T11:54:02Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![anon75712119](https://avatars.discourse-cdn.com/v4/letter/a/8e8cbc/32.png) [@anon75712119](https://forum.universal-robots.com/u/anon75712119)\
**Post date:** [September 1, 2021, 11:54am UTC](https://forum.universal-robots.com/t/in-my-ur-simulator-it-doesnt-show-robo-error-occurs/16223/1 "2021-09-01T11:54:02Z")

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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

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**Author:** ![pho](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.universal-robots.com/pho/32/2275_2.png) [@pho](https://forum.universal-robots.com/u/pho)\
**Post date:** [October 26, 2021, 4:31pm UTC](https://forum.universal-robots.com/t/in-my-ur-simulator-it-doesnt-show-robo-error-occurs/16223/2 "2021-10-26T16:31:43Z")

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

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<div class="post-metadata">

**Author:** ![anon75712119](https://avatars.discourse-cdn.com/v4/letter/a/8e8cbc/32.png) [@anon75712119](https://forum.universal-robots.com/u/anon75712119)\
**Post date:** [October 27, 2021, 5:31am UTC](https://forum.universal-robots.com/t/in-my-ur-simulator-it-doesnt-show-robo-error-occurs/16223/3 "2021-10-27T05:31:11Z")

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It was URSim only and it resolved. Thank you.