[TuxKart-users] Error on launch

[Anthony <cy...@ga...>]

Hello,

Explain me pleaze
   
    Why tuxkart return
FATAL: puInit called without a valid OpenGL context.

I have video card Matrox G550 with Mesa support drivers.
All software: RedHat 7.2, XFree86 4.2, PLIB, development tools for 
compiling, etc.
What must I do?