Line 971 is
(data.user ~= nil and data.user:GetDisplayName()) or
when it needs to be
(data ~= nil and data.user ~= nil and data.user:GetDisplayName()) or
Tested it myself.
Without this, any mod that uses a custom resurrection function via custom action or an Area of Effect resurrection function will crash.
This didn't crash before, a recent update seems to have caused this.
use any custom resurrection function via PushEvent("respawnfromghost") thats not one of the specified prefabs in player_common. Causes a crash.