id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
11848	IE:  Unable to get property 'checkReadOnly' of undefined or null reference	Irina	Marek Lewandowski	"1. Open ajax sample
2. Open console tab in developer tools and paste:
{{{
CKEDITOR.instances.editor1.insertElement( CKEDITOR.instances.editor1.document.createElement( 'hr' ) );
}}}


Error: Unable to get property 'checkReadOnly' of undefined or null reference

This can be reproduced only in IE since CKEditor 4.3"	Bug	closed	Normal	CKEditor 4.4.1	General	4.3	fixed	IBM IE	Satya Minnekanti Christophe Guillou