There is a chance your SAVE_OPTIONS.sav file is corrupted, causing the issue.
To fix this, delete your SAVE_OPTIONS.sav and the _BACKUP.sav before launching the game again.
You can find your save game by pasting the following in your File Browser: %APPDATA%\LocalLow\Thunder Lotus Games\
Like so:
If you are playing on the Xbox App, you will need to go to the following location:
C:\Users(your computer name)\AppData\Local\Packages\44905ThunderLotusGames.40196900AE792_hbhkcnqstm4gr\TempState