Hi, I had the same problem with r.sim.water when using the windows version of GRASS, but under Linux everything works fine! Cheers, Bernd -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/r-sim-water-crashes-repost-tp4876999p5186253.html Sent from the Grass - Users mailing list archive at Nabble.com.