I have a similar problem in the game, have you solved it?
Unfortunately, no.
I'm guessing you're using Vulkan. Change your ingame settings to render with DX11. The mappers themselves have to fix it, but it is unfortunate because I get significantly better performance using Vulkan. https://steamcommunity.com/app/546560/discussions/0/2242175653304504922/
Nothing extracted yet.
Some custom maps have weird purple textures.
The two maps tested with the problem :
Steps to reproduce the behavior: