Need Help On a Fatal Error

Hi everyone,

I have recently came across a crash after creating a test packaged I have not been able to find any documentation on how to fix it. I am hoping i can find it here. This is my error
link text
[2020.10.09-18.32.44:030][512]LogWindows: Error: Fatal error: [File:D:/Build/++UE4+Licensee/Sync/Engine/Source/Runtime/RenderCore/Private/RenderingThread.cpp] [Line: 855]
[2020.10.09-18.32.44:030][512]LogWindows: Error: Rendering thread exception:
[2020.10.09-18.32.44:030][512]LogWindows: Error: Assertion failed: ProcessedTexture [File:D:/Build/++UE4+Licensee/Sync/Engine/Source/Runtime/Engine/Private/Rendering/SkyLightImportanceSampling.cpp] [Line: 395]