Bilal, I believe that stacktrace is attached to this bugreport by apport: https://bugs.launchpad.net/ubuntu/+source/telepathy-gabble/+bug/847793/+attachment/2391009/+files/Stacktrace.txt
Looks like some assertion failed in gabble_vcard_manager_dispose() at vcard-manager.c:590.
Bilal, I believe that stacktrace is attached to this bugreport by apport: https:/ /bugs.launchpad .net/ubuntu/ +source/ telepathy- gabble/ +bug/847793/ +attachment/ 2391009/ +files/ Stacktrace. txt
Looks like some assertion failed in gabble_ vcard_manager_ dispose( ) at vcard-manager. c:590.