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AppendChild gives Error 438

AppendChild gives Error 438

(OP)
In my Dictionary I have several DOMDocuments. These are taken out of the dict with XMLDocAOHA. To append this document to a Node I have to convert the DomDocument to an IXMLNode. I'm using Xpath to do this.

Then I am adding the new XMLNode to XMLNodeBasisBody, but then I get Error 438. What causes this error?

CODE

If dicNummerAanduidingen.Exists(strHoofdAdres) Then
  'as DomDocument
  Set XMLDocAOHA = dicNummerAanduidingen.Item(strHoofdAdres)
  'add to body, casted to node. doc is not ok
  ' selectsinglenode returns a node
  Set XMLNode = XMLDocAOHA.selectSingleNode("/")
                
  'As DomNode
  Set XMLNode = dicNummerAanduidingen.Item(strHoofdAdres)
  XMLNodeBasisBody.appendChild (XMLNode)
Else
  Err.Raise 32001, "Samengesteld.maakSamengesteldBericht", "No Hoofdadres found for " & strHoofdAdres
End If

(I have translated the comments to English)

---------------------------------------------
Yes, the world is full of strange people.

RE: AppendChild gives Error 438

(OP)
When trying to append the 438-Error is thrown, but my XMLNode is appended to my XMLNodeBasisBody. So I have put On Error Resume Next above it, so it does not bother me again, and again, and again, and again......

Did anyone else have this problem?

---------------------------------------------
Yes, the world is full of strange people.

RE: AppendChild gives Error 438

Just to know, what is the error message ?

RE: AppendChild gives Error 438

[1] You have two different lines defining XMLNode. The second line, I do not recognize what it is. In any case, these methods Exists(), Item() in your context, are they proprietary?

[2] This is just a beautiful misunderstanding if XMLDocAOHA is a DOMDocument:
>Set XMLNode = XMLDocAOHA.selectSingleNode("/")
XMLNode is exactly the same as XMLDocAOHA, a DOMDocument. It is not any other type.

[2.1] If you want to append it, use this definition should do.
>Set XMLNode = XMLDocAOHA.selectSingleNode("/")
Set XMLNode = XMLDocAOHA.DocumentElement

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