How To switch Off this red Columns?

Super Frustrated please someone help
I have looked into all menus but can’t find a button to turn off this!!

Did you find any solution?

Did you find any solution? +1

This is related to an Editor-on which can be disabled by clicking the Studio logo in the top right of the editor> Tools> Editor Add-ons> Get Add-ons

You should see the option for “Design Guides”, and will bring up a panel where you can enable/disable and customize what is shown