[orbeon-user] Multiple Instance Model

[Bill Winspur]

The test-case document listed below defines a model containing three
instances. Unfortunately, it yields the following exception message
when presentation manager attempts to render the page it supports.
----------------------------------
class org.dom4j.IllegalAddException
Message     The node "[EMAIL PROTECTED] [Element: 
<state-provs attributes: []/>] userData: 
oxf:/pagesets/aggr-test/xforms-checkout-model.xml, line 10, column 16" 
could not be added to the branch "null" because: Cannot add another 
element to this Document as it already has  a root element of: state-provs
----------------------------------   

I do not understand this message.
Any idea what I might be doing wrong ?
Does OXF support multiple instances/model ?
Bill.
==================================================
<?xml version="1.0" encoding="UTF-8"?>
<xforms:model
   xmlns:xforms="http://www.w3.org/2002/xforms";
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
   xmlns:xs="http://www.w3.org/2001/XMLSchema";
   xsi:schemaLocation="http://www.w3.org/2002/xforms
           http://www.w3.org/MarkUp/Forms/2002/XForms-Schema.xsd";>
  
   <xforms:instance xforms:id="state-provs">
       <state-provs>
           <state-prov>Alabama</state-prov>
           <state-prov>Alaska</state-prov>
           <state-prov>Arizona</state-prov>       
       </state-provs>
   </xforms:instance>
  
   <xforms:instance id="countries">
       <countries>
           <country>Afghanistan</country>
           <country>Albania</country>
           <country>Algeria</country>
           <country>Andorra</country>
       </countries>   
   </xforms:instance>
  
   <xforms:instance>
       <credit-card>
           <!-- Card Info -->
           <type/>
           <number/>
           <expiration-month/>
           <expiration-year/>
           <verification-code/>
           <valid/>
       </credit-card>
   </xforms:instance>
  
</xforms:model>

==================================================   

Bill Winspur
Manager, Wynnon Systems Inc
Mobile: 403-519-5889

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