Hello @wxlfsangel, we're tracking issues with games run with Proton in the Proton issue tracker. Also, we're using one issue report per unofficially supported game title, so I've gone ahead and transferred this issue report to https://github.com/ValveSoftware/Proton/issues/6451#issuecomment-4809639649.
Your system information
Please describe your issue in as much detail as possible:
After intro videos, pressing space to connect to the online services kicks me out with a "CHARLIE-03" error, and the following screen.
Major changes haven't happened to the system from the last time the game ran properly.
Steps for reproducing this issue: