Right-click ETS2 in Steam > Properties > Installed Files > Verify integrity of game files .
: In some cases, the game may block the "Load" button entirely to prevent "broken" save states, such as a truck parked in a map area that no longer exists. euro truck simulator 2 missing dlc detected
: The Technical Problems section contains multiple threads on save-file dependency issues. Right-click ETS2 in Steam > Properties > Installed