How to eliminate screen tearing in 2D game

I’m having screen tearing. Not regular screen tearing, but black vertical - and horizontal lines appearing on the screen on my 2d game. Happens also after exporting the game.

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1410408-unreal-engine-bug-submission-form

Thanks