[Exist-open] function xmldb:remove-resource (namespace-uri = http://exist-db.o rg/xquery/xmldb) is not defined

[BADJAKSEZIAN C. (DSIT-EX) <cha...@sn...>]

When I try to remove a document, I always have an exception thrown...

I'm working with Cocoon 2.1.4 Tomcat 4.1.29 JDK 1.4.2_03 and eXist-1.0b1

Here is a query which fails :

xquery version "1.0";
declare namespace xmldb="http://exist-db.org/xquery/xmldb";
declare namespace util="http://exist-db.org/xquery/util";

xmldb:register-database("org.exist.xmldb.DatabaseImpl", true()),
let $root:=xmldb:collection("xmldb:exist:///db/queries","admin","")
let $result := xmldb:store($root,"query.xml",<test>Test</test>)
let $suppr := xmldb:remove-resource($root, "query.xml")
return $suppr

I've got the same error doing the same actions separately, I mean the
storage (which is OK) and then the removing.

Thanks,

Charles