Question : Can not purge

I went into filer and tried to purge a volume. I recieve the following error:
    geteffectivedirectoryrights error 156
 How can I resolve this problem. I can not  purge

Answer : Can not purge

There is a TID that report your error exactly;the number 2931005 ,other TID's less
important are the 2924629,14117.
The TID are on the http://support.novell.com