My material got deformed after i did something with rendering settings

Hello everyone i hope u are doing well. I am new with UE and started to create a scene. Where part of my material deformed when i changed something in rendering settings, and now i dont know how to fix it. I wll attach pictures so you can see how my right part of a wall is deformed.
I even made new world and copied all settings in this one, and still nothing.
If you guys know how i can fix this, it would be awesome, THANKS IN ADVANCE!

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I think you’ll find if you restart the editor, the problem goes?

If that’s the case, it’s probably because you’re running out of VRAM.