Unity Crashing on opening gameplay scene

I have a project, been working on it since last 8 month, on unity 2019.4.1f1. One day due to electricity faliure system shut down directly and the next day when i try to open this project unity is crashing on opening gameplay scene which i was working on the day before. i tried changing versions, i tried direclty opening that scene, tried deleting library files packages file but still unity is crashing on opening gameplay scene. menu and weapon selection scene are working fine. alt text