Restoring your progress is a simple matter of "swapping" the files. Delete (or move) the corrupted ER0000.co2 file.
the backup file by removing the .bak extension. It should change from ER0000.co2.bak to exactly ER0000.co2 . ER0000.co2.bak
You experienced a "save bricking" glitch or a power outage while playing. 3. How to Restore Your Backup Restoring your progress is a simple matter of
The .bak file is an automatic backup created by the game or mod. You should use it if: Your game says Your characters have disappeared from the load screen. It should change from ER0000
Below is a draft for a blog post aimed at helping players manage or recover their progress using this specific file.
: Inside, you'll see a folder named with a long string of numbers (your Steam ID). Open it.