Hi,
Can you try updating device drivers, tweaking graphics card settings, slightly lowering the clock settings on your graphics card, and reinstalling the game (you should be able to make a backup of your save files so that you can use them in a fresh copy of the game)?
Some articles that might be helpful
https://appuals.com/how-to-fix-the-error-unreal-engine-is-exiting-due-to-d3d-dev...
https://answers.ea.com/t5/Other-STAR-WARS-Games/Constant-crash-Unreal-Engine-is-...
https://forum.deadbydaylight.com/en/discussion/143813/unreal-engine-is-exiting-d...