Greetings<div>I have a Python script that is suppose to use g.mapset to change the current Mapset by running g.mapset but, everytime I run it I ge this error:</div><div>ERROR: Unable to read GIS_LOCK environment variable</div>
<div><br></div><div>What is this and what can I do to fix this? (I'm running in GRASS 6.4.0Svn from June)</div><div><br></div><div><br></div><div>By the way in Linux (ubuntu) I get this error:</div><div><div>g.mapset mapset=Regional </div>
<div>Erasing monitors...</div><div>PNG: GRASS_TRUECOLOR status: TRUE</div><div>PNG: collecting to file: map.png,</div><div>GRASS_WIDTH=768, GRASS_HEIGHT=501</div><div>ERROR: PNG: couldn't open output file map.png</div>
</div><div><br></div><div><br></div><div>My problem is with the first one (windows)</div><div><br></div><div>Thanks</div><div>Helena</div>