Icecat 7.0.1 shuts down unexpected very often

[user1]

Icecat shut down again when I was trying to edit my setup in facebook:

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): GLib-GObject-CRITICAL **: g_object_unref: assertion 
`G_IS_OBJECT (object)' failed

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): GLib-GObject-CRITICAL **: g_object_unref: assertion 
`G_IS_OBJECT (object)' failed

(icecat:4021): GLib-GObject-CRITICAL **: g_object_unref: assertion 
`G_IS_OBJECT (object)' failed

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead

(icecat:4021): Gdk-WARNING **: XID collision, trouble ahead
###!!! ABORT: X_ShmPutImage: BadMatch (invalid parameter attributes); 16 
requests ago: file /build/buildd/icecat-7.0.1/toolkit/xre/
nsX11ErrorHandler.cpp, line 199
###!!! ABORT: X_ShmPutImage: BadMatch (invalid parameter attributes); 16 
requests ago: file /build/buildd/icecat-7.0.1/toolkit/xre/
nsX11ErrorHandler.cpp, line 199
Aborted