Help! couldn't build the project in MyEclipse

Wrong:
Cannot find the declaration of element 'bindings'

FCKeditor/WebRoot/editor/dialog/common/moz-bindings.xml

IDE: Eclipse 3.1.1 + MyEclipse 4.0.200M2
JDK: SUN 1.4.2
OS: WinXP SP2
Server: Tomcat 5.0

JSP Integration Pack ver 2.3
FCKeditor_2.2