Carefull: most probably a Null pointer Error
Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffffffffffff
UE4Editor_Savior3!SerializeGameMode() [D:\build++Portal\Sync\LocalBuilds\PluginTemp\HostProject\Plugins\Savior\Source\Savior3\Public\Savior3.h:2550]
UE4Editor_Savior3!FAutoDeleteAsyncTask<TASK_SerializeGameMode>::DoWork() [D:\RocketSync\4.26.0-14830424+++UE4+Release-4.26\Working\Engine\Source\Runtime\Core\Public\Async\AsyncWork.h:100]
kernel32
any idea on why it happened?