[object reference not set to an instance of an object]

We verified, delete saves, playing without any mods and nothing helped. Even reinstall game doesnt work, just change steam account.

[object reference not set to an instance of an object]

object reference not set to an instance of an object - yesterday my brother had this problem, today my girlfriend.. he play now on another steam account, lost all saves etc but my girlfriend play on Geforce Now and we can't do anything.. please help

[Can't log into Friends server NOW, about to just uninstall game]

But what to do in GeForce now?