If the game starts with a "Fatal error" you need to remove the save files, to let the quest system save a new file.
C:\Users[i]YourUser\AppData\Local\MyFirstHorse\Saved\SaveGames
I am sorry about this, as it will remove all your progress.
Source: Steam Community (opens in a new tab)
If the game starts with a "Fatal error" you need to remove the save files, to let the quest system save a new file.
C:\Users[i]YourUser\AppData\Local\MyFirstHorse\Saved\SaveGames
I am sorry about this, as it will remove all your progress.