Rviz is not opening in new tab

I dont see Rviz in a new tab, I got the following error QXcbConnection: XCB error: 2 (BadValue), sequence: 435, resource id: 400, major code: 130 (Unknown), minor code: 3

when I ran it again i dont get this error but no window. please suggest

sometimes it fails to launch, just retry like you did. To open the tab, click on the monitor symbol on the top right of the IDE. This will open a new tab, where you load the graphical tools.


Thank you Simon, that worked !!!

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