The following add-ins could not be started:The root of the trace shows
MonoDevelop.GnomePlatform,2.8A quick search shows that MonoDevelop depends on libgnomeui. This should have been part of dependencies when installing the application but well....
Below is the screen shot of the error message.
[2013/04/09] - Same issue observed in OpenSUSE 12.3 and also the same fix.
[2014/11/02] - Same issue observed in OpenSUSE 13.3, mondevelop 3.0.6 and the same fix.