[GRASSLIST:10572] GRASS 6.1cvs gis.m error

[Ing.Peter Misovic]

Dear all

I'd like to ask you for help with gis.m Grass manager. Manager is not
starting properly 'cause it is crashing with following error :

GRASS 6.1.cvs (spearfish):/ > gis.m
PNG: GRASS_TRUECOLOR status: TRUE
PNG: collecting to file: dispmon_1.ppm,
     GRASS_WIDTH=640, GRASS_HEIGHT=482
Graphics driver [gism] started
ERROR: PNG: couldn't open output file dispmon_1.ppm
ERROR eof from graphics driver.



And if I press Enter in error window, gis.m starts, but no work is
possible at all. My Grass version is 
grass-6.1.cvs_src_snapshot_2006_02_20.


Thank you for your help,
Peter Misovic