Applejack gamemode crashes the game

So, i tried to play server with applejack gamemode. After it downloaded all required files, it crashed with failed to lock vertex buffer CMeshDX8::LockVertexBuffer error. Yes, i didn’t press alt+tab. Yes, i have latest drivers. Yes, i have enough memory and i don’t have background programs much. It’s the servers fault?

Are you running on DirectX 8?

No, i have direct x 10

I dug this up from an old thread:

It may appear to be a different error, but I’ve heard it works. The old thread, by the way: