Editor crashes on opening mesh

Development Platform & Builds
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1

I’ve just upgraded from 15.3 to 16.1 without any errors.
I opened up any mesh or even any mesh in the engine content and it crashes…

Fatal error: [File:D:\Build++UE4+Release-4.16+Compile\Sync\Engine\Source\Runtime\Engine\Private\Materials\MaterialShared.cpp] [Line: 1851]
Couldn’t find Shader TBasePassPSFNoLightMapPolicySkylight for Material Resource WorldGridMaterial!
RenderMeshShaderMap 1, RenderThreadShaderMap 1
GameMeshShaderMap 1, GameThreadShaderMap 1, bShaderWasFoundInGameShaderMap 0
With VF=FLocalVertexFactory, Platform=PCD3D_SM5
ShouldCache: Mat=1, VF=1, Shader=0
MaterialUsageDesc: LightingModel=MSM_DefaultLit, BlendMode=BLEND_Opaque, SpecialEngine=1, TwoSided=0, TSNormal=1, Masked=0, Distorted=0, WritesEveryPixel=1, ModifiesMeshPosition=0, Usage={}

I went back to my 15.3 build and it does not occur. When I open up a sample project in 16.1, the error does not happen. Does any one have any ideas?

2

Do you have Forward Shading enabled and unchecked Support Stationary Skylight, because I had and I also couldn’t open the Mesh Editor anymore. Had to check Support Stationary Skylight again and have to uncheck everytime I package my game.

3

Thanks heaps! Problem solved!