NO_MODIFICATION_ALLOWED_ERR

Hi,

when I try to run my app from within JBuilder8 I get the following error
(after visiting the URL with a browser):

=========
Factory creation of an XMLC class failed:
"net.eprevue.p4.resources.introHTML": NO_MODIFICATION_ALLOWED_ERR: An
attempt is made to modify an object where modifications are not allowed.
=========

The full stack trace points to:

introHTML page = (introHTML)myComms.xmlcFactory.create(introHTML.class);

org.apache.xerces.dom.ParentNode.internalInsertBefore(Unknown Source)
org.apache.xerces.dom.ParentNode.insertBefore(Unknown Source)
org.apache.xerces.dom.NodeImpl.appendChild(Unknown Source)
net.eprevue.p4.resources.introHTML.buildSubDocument(introHTML.java:674)

The same application deployed on standard apache+(same)enhydra runs OK.

Any idea why this would be failing?

-- 
Petr Stehlik <pstehlik@xxxxxxxxxx>