Hello, I had the same problem with R 2.11. After upgrading to R 2.12 it worked. Hope it helps for you too. -- View this message in context: http://r.789695.n4.nabble.com/Can-not-invoke-maxent-of-library-dismo-in-GNU-linux-tp3242023p3304211.html Sent from the R help mailing list archive at Nabble.com.