[GRASSLIST:4870] nviz starts but then breaks down

[Thomas Anzböck]

After starting, nviz quits with error:
...
Loading Data
Update elev null mask
Loading Data
translating colors
Adding panels from /usr/local/Programm/grass5/etc/nviz2.2/scripts
Nv_(panels)
toplevel made
!!!!!
child killed: segmentation violation
    while executing
"exec /usr/local/Programm/grass5/etc/nviz2.2/NVWISH2.2 -f
/usr/local/Programm/grass5/etc/nviz2.2/scripts/nviz2.2_script -name NVIZ
>&@stdout"
    ("eval" body line 1)
    invoked from within
"eval exec $env(GISBASE)/etc/nviz2.2/NVWISH2.2 -f
$env(GISBASE)/etc/nviz2.2/scripts/nviz2.2_script -name NVIZ >&@stdout"
    invoked from within
"if {$argv == ""} {
#no arguments
eval exec $env(GISBASE)/etc/nviz2.2/NVWISH2.2 -f
$env(GISBASE)/etc/nviz2.2/scripts/nviz2.2_script -name NVIZ >&@stdo..."
    (file "/usr/local/Programm/grass5/bin/nviz" line 16)
GRASS:~ >

what can I do?

thanks in advance

thomas