Our team found the reason some players were unable to start the game.
We've redesigned the entire save-handling process. The game can now automatically repair corrupted save data in most cases, including issues caused by unexpected shutdowns, power outages, Steam Cloud sync conflicts, and similar situations.
This issue will be addressed in Version 1.11b.
Issue that caused 0.1.2 to be triggered
Source: Steam Community (opens in a new tab)