RVT Mobile

I am testing RVT Mobile. RVT works normally in PC view, but engine is down in Mobile view. Why?

LoginId:f1962c3340cd37c53019b0afca1c5cac
EpicAccountId:a2fdbf4ec1dd4f46a054cdec7e0d032c

Assertion failed: ResourceTableFrameCounter == INDEX_NONE [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Windows/D3D11RHI/Private/D3D11Texture.cpp] [Line: 2260]

UE4Editor_Core
UE4Editor_Core
UE4Editor_D3D11RHI
UE4Editor_RHI
UE4Editor_Renderer
UE4Editor_Renderer
UE4Editor_Renderer
UE4Editor_Renderer
UE4Editor_Renderer
UE4Editor_Renderer
UE4Editor_Renderer
UE4Editor_Renderer
UE4Editor_Core
UE4Editor_Core
UE4Editor_RenderCore
UE4Editor_RenderCore
UE4Editor_Core
UE4Editor_Core
kernel32
ntdll