HI, Thanks a lot!!! Indeed i had double ups in providers.xml. I deleted the double lines and it seems to work. right -- View this message in context: http://osgeo-org.1560.n6.nabble.com/FDO-error-with-mapguide-2-4-on-ubuntu-12-04-tp5033366p5033639.html Sent from the MapGuide Users mailing list archive at Nabble.com.