[Maya] Red Border in the Viewport

bentraje

Good day! 

How to undo this red border line in the viewport? It somehow locks the viewport and I can't undo it. 

Is there a way around this?

You can an illustration of the problem here: https://www.dropbox.com/s/damac890ow6l055/MYA060_red_border_viewport.JPG?dl=0

SonicBlue

https://knowledge.autodesk.com/support/maya/troubleshooting/caas/sfdcarticles/sfdcarticles/Viewport-is-Paused-in-Maya.html

Click on the Pause button on the Material Viewer panel in the Hypershade.

bentraje

Thanks for info SonicBlue. 
Totally got me previously as it cannot be undo (Ctrl+Z)