I got the same message with gvim:
(gvim:15882): LIBDBUSMENU-GTK-WARNING **: (/build/buildd/libdbusmenu-0.5.99/./libdbusmenu-gtk/parser.c:228):parser_data_free: runtime check failed: (i != 1)
(gvim:15882): LIBDBUSMENU-GTK-WARNING **: (/build/buildd/libdbusmenu-0.5.99/./libdbusmenu-gtk/parser.c:281):parser_data_free: runtime check failed: (i != 1)
(gvim:15882): LIBDBUSMENU-GTK-WARNING **: (/build/buildd/libdbusmenu-0.5.99/./libdbusmenu-gtk/parser.c:228):parser_data_free: runtime check failed: (i != 1)
(gvim:15882): LIBDBUSMENU-GTK-WARNING **: (/build/buildd/libdbusmenu-0.5.99/./libdbusmenu-gtk/parser.c:281):parser_data_free: runtime check failed: (i != 1)
I got the same message with gvim: GTK-WARNING **: (/build/ buildd/ libdbusmenu- 0.5.99/ ./libdbusmenu- gtk/parser. c:228): parser_ data_free: runtime check failed: (i != 1)
(gvim:15882): LIBDBUSMENU-
(gvim:15882): LIBDBUSMENU- GTK-WARNING **: (/build/ buildd/ libdbusmenu- 0.5.99/ ./libdbusmenu- gtk/parser. c:281): parser_ data_free: runtime check failed: (i != 1)
(gvim:15882): LIBDBUSMENU- GTK-WARNING **: (/build/ buildd/ libdbusmenu- 0.5.99/ ./libdbusmenu- gtk/parser. c:228): parser_ data_free: runtime check failed: (i != 1)
(gvim:15882): LIBDBUSMENU- GTK-WARNING **: (/build/ buildd/ libdbusmenu- 0.5.99/ ./libdbusmenu- gtk/parser. c:281): parser_ data_free: runtime check failed: (i != 1)