It's possible sometimes that your Mac App Store, Mac Steam, or Mac Epic Game Store save data has become corrupted, which can cause game play issues. As an attempted fix you can try these steps to delete your save data. If you're on a platform like Steam or Epic that has cloud save data, please make sure you disable your cloud save data before deleting your local data.
The location of game saves on the Mac platform can vary per platform, but should be in one or both of the following locations:
Once you locate this file, delete it. Then try launching your game again. It should create new save data once you hit the 'Start' button on the first game screen.