Sometimes, when starting new games, Proton will fail to create new prefixes, for one reason or another.
To work around this, an existing prefix must be copied, or use Proton-GE.
Terminal output:
I have also had this happen citing pfx/creation_sync_guard to be the cause.
Proton version: experimental-7.0-20230113
OS: SteamOS 3.5 20230110.1000
Sometimes, when starting new games, Proton will fail to create new prefixes, for one reason or another.
To work around this, an existing prefix must be copied, or use Proton-GE.
Terminal output:
I have also had this happen citing
pfx/creation_sync_guardto be the cause.