It sounds like you're playing on the Xbox console since the PC GamePass version in the Windows store is the same as the current Steam version (these are the PC general support forums).
Microsoft added 7 Days to Die to Xbox GamePass, but the Xbox GamePass version is still the original Xbox...
I recently started playing 7D2D from the Windows store (not Steam) and managed to hook a friend into playing so we rented a dedicated server on G-Portal. We're having a lot of fun, but seeing a strange issue where we both are crashing to desktop individually at almost exactly 30 minute...