Massive black bar on the edge of the screen

I am getting a large black area at the right side of my screen. it doesn’t seem to be related to aspect ratio.
Any idea what causes this?
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Hi, I have the same issue. i’ve built the scene on an another computer where it worked. I just opened the project with the same version of Unity installed, and it does the black screen. Have you found a solution yet? I would appreciate any help as I’m heading a short deadline. Thank you!