User's project crashes when changing levels in a packaged game

MachineId:EA8CDCD54E3691A62F8838A5364B34C6
EpicAccountId:6003a092eb5e4d259eb50cf2c6e341d2

Access violation - code c0000005 (first/second chance not available)

UE4Game!TBaseMulticastDelegate<void,enum EMediaEvent>::Broadcast()
UE4Game!TGraphTask<FAsyncGraphTask>::ExecuteTask()
UE4Game!FNamedTaskThread::ProcessTasksNamedThread()
UE4Game!FNamedTaskThread::ProcessTasksUntilQuit()
UE4Game!FTaskGraphImplementation::WaitUntilTasksComplete()
UE4Game!FPhysScene::WaitPhysScenes()
UE4Game!FPhysScene::EnsureCollisionTreeIsBuilt()
UE4Game!UWorld::FlushLevelStreaming()
UE4Game!UEngine::LoadMap()
UE4Game!UEngine::Browse()
UE4Game!UEngine::TickWorldTravel()
UE4Game!UGameEngine::Tick()
UE4Game!FEngineLoop::Tick()
UE4Game!GuardedMain()
UE4Game!GuardedMainWrapper()
UE4Game!WinMain()
UE4Game!__scrt_common_main_seh()
kernel32
ntdll