Your save file may have gotten corrupted at launch. Go into your Appdata\Local\AtC_BB\Saved\SaveGames folder and delete the .sav file. After relaunching the game, it should create a fresh save file and hopefully fix the issue.
may need some more help cuz i cant find out how to open Appdata\Local\AtC_BB\Saved\SaveGames plz reply to this dave really want to record fall guys soon