I'm new to gamestudio ,and i follow the tutorial and then i build a house and i build the game, but then i run the game the error appears "directX driver failure:D3DERR_INVALIDCALL"

1- if anyone know how to solve the problem can you please tell me.
2-in gamestudio is mandatory to have pixel and vertex sharder?

Edited:

problem solved, I download a earlier version

Definately always search first because there is tons of info in this forum. Users of this engine are very helpful and full of info for which they usually post code to help you.