StacktraceTop: g_object_unref () from /usr/lib/libgobject-2.0.so.0 free_notification_data (data=0xa332348) chat_window_notification_closed_cb (notify=0xa433ad0, g_cclosure_marshal_VOID__VOID () g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
StacktraceTop: libgobject- 2.0.so. 0 ion_data (data=0xa332348) notification_ closed_ cb (notify=0xa433ad0, marshal_ VOID__VOID () libgobject- 2.0.so. 0
g_object_unref () from /usr/lib/
free_notificat
chat_window_
g_cclosure_
g_closure_invoke () from /usr/lib/