can't start gravit if config files exist in user home dir

[leo2501]

if i copy the config files to my home dir "cp /usr/share/gravit/*.cfg /
home/aleyscha/.gravit/", i can't start the application... it gives
this error:

[aleyscha@aleyscha 114 .gravit 17:32]$ gravit
Searching gravit.cfg
Executing Script: gravit.cfg
memoryavailable = 256
videowidth = 800
videoheight = 600
videobpp = 32
videofullscreen = 0
videoantialiasing = 1
recordingvideorefreshtime = 100
fontsize = 10
Colour scheme reset
Added colour (0.10 0.10 0.10 0.40) to colour scheme
Added colour (0.10 0.50 0.50 0.50) to colour scheme
Added colour (0.30 0.10 0.50 0.60) to colour scheme
Added colour (0.50 0.00 0.50 0.70) to colour scheme
Added colour (0.90 0.00 0.00 0.80) to colour scheme
Added colour (1.00 0.70 0.00 0.90) to colour scheme
Added colour (1.00 1.00 1.00 1.00) to colour scheme
Searching custom.cfg
Searching /home/aleyscha/.gravit/custom.cfg
Searching /usr/etc/gravit/custom.cfg
Detected 32 BPP
SDL_SetVideoMode failed: Couldn't find matching GLX visual
You have videoantialiasing on. I'm turning it off and restarting...
SDL_SetVideoMode failed: Couldn't find matching GLX visual
There has been an error on start-up. Read your gravit configration
file to possibly fix this.

any clue?