Oddly enough, after my game and modtools becoming corrupt, I uninstalled both and deleted any left over files and had to do a clean reinstall. Now my radiant works fine.

So I've been trying to create custom zombies map for the past week. Up until a few days ago at noon everything worked perfectly. I was trying to place some light entities in the starting room of my new map, and Radiant crashed. Ever since that crash when I open Black ops III modtools and try to...