Need help

[shadowds]

I have buy css from EB games and i had install it and made new account and used the code that on the paper that came with the game few weeks ago i unstall it because i want to play something else but last night when i try to install css again when i press play it got me into thje loading part of the game then it's kick me out and a engine error pop up say ( failed to lock vertex buffer in CMeshDX8::LockVertexBuffer )
i also try verity integrity of game cache but it's happen the same thing till say it again and idk want to do can you play help me.