I also have the same problem like Brian. Did anyone found the problem? -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/Fwd-Qgis-user-QgsVectorLayer-causes-Failed-to-load-error-tp6482726p6553989.html Sent from the qgis-developer mailing list archive at Nabble.com.