The folder names are long, random hex codes (e.g., B951A2D3-... ). Look for the file with the largest file size – that is your actual save.
If you are hit with this error, there are several tiers of troubleshooting you can perform to secure your 140-hour (or more) legacy. 1. The Quick Workaround: Delete Unused Objects
Navigate to your Steam Settings > Cloud and ensure sync is enabled. If the game asks you to choose between "Local" and "Cloud" files, carefully select the one with the most recent timestamp.