PC: Game crash on start: Could not find SuperStruct ActionRotationDo to create ActionRotationDo

pc

#1

Platform: PC, Win 10
Game mode: Official Testlive
Version: Latest on steam
Problem: Crash

Game start, show cinematics, but crash in the backgroud:
Fatal error: [File:C:\UE4\CSAND\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading.cpp] [Line: 3386]
Could not find SuperStruct ActionRotationDo to create ActionRotationDo

!0x0000000000000000

Crash in runnable thread FAsyncLoadingThread


#2