Unreal Crash when opening Level ___ : Assertion failed: NumPooled > 1 [File:d:\build\++ue4\sync\engine\source\runtime\d3d12rhi\private\D3D12Allocation.h] [Line: 991]

I am facing same error when opening map(level).

I use migrate tool and transfer that map(level) to new project and it works for me.