Packaged build problems!

Hey so when I’m have packaged my build, I always get this error if I set it to fullscreen mode:
Fatal error:
[File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Windows/D3D11RHI/Private/D3D11Util.cpp] [Line: 249]
Result failed
at
D:/Build/++UE4/Sync/Engine/Source/Runtime/Windows/D3D11RHI/Private/D3D11Viewport.cpp:368
With error DXGI_ERROR_INVALID_CALL

And I can’t see my UI when I run packaged projects and my mipmaps are never loading in game the images on the textures are just always blurry.

Any help is much appreciated, thank you :slight_smile:

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