Outlook VBA move olkItem.MessageClass=REPORT.IPM.Note.IPNRN

Got some simple code which was written an example in another question which works great, but when it comes across a read recipt it fails.

When I query the olkItem.MessageClass it gives me REPORT.IPM.Note.IPNRN, so in short everytime I try and move an item of a type 'REPORT.IPM.Note.IPNRN' my code fails.

The code goes through my entire default inbox and moves everything with the completed state, moves to its appropiate folder in Archive.

Any ideas?

Thanks in advance.

Private olkArchiveFolder As Outlook.MAPIFolder
 
Sub ArchiveCompleted()
    Set olkArchiveFolder = OpenOutlookFolder("Archive 2009\Inbox")
    ProcessFolder Outlook.Application.Session.GetDefaultFolder(olFolderInbox)
    MsgBox "All Done"
End Sub
 
Sub ProcessFolder(olkFolder As Outlook.MAPIFolder)
    Dim olkSubfolder As Outlook.MAPIFolder, olkItem As Object, intCount As Integer
    
    Set olkArchiveFolder = OpenOutlookFolder("Archive 2009" & Mid(olkFolder.FolderPath, InStr(3, olkFolder.FolderPath, "\")))
    
    For intCount = olkFolder.Items.Count To 1 Step -1
        Set olkItem = olkFolder.Items.Item(intCount)
        If olkItem.FlagStatus = olFlagComplete Then
            olkItem.Move olkArchiveFolder '<- the 'IPM.Note works fine, but 'REPORT.IPM.Note.IPNRN' fails
        End If
    Next
    
    For Each olkSubfolder In olkFolder.Folders
        ProcessFolder olkSubfolder
    Next
    Set olkSubfolder = Nothing
End Sub
 
Function IsNothing(obj)
  If TypeName(obj) = "Nothing" Then
    IsNothing = True
  Else
    IsNothing = False
  End If
End Function
 
Function OpenOutlookFolder(strFolderPath As String) As Outlook.MAPIFolder
    Dim arrFolders As Variant, _
        varFolder As Variant, _
        olkFolder As Outlook.MAPIFolder
    On Error GoTo ehOpenOutlookFolder
    If strFolderPath = "" Then
        Set OpenOutlookFolder = Nothing
    Else
        Do While Left(strFolderPath, 1) = "\"
            strFolderPath = Right(strFolderPath, Len(strFolderPath) - 1)
        Loop
        arrFolders = Split(strFolderPath, "\")
        For Each varFolder In arrFolders
            If IsNothing(olkFolder) Then
                Set olkFolder = Session.Folders(varFolder)
            Else
                Set olkFolder = olkFolder.Folders(varFolder)
            End If
        Next
        Set OpenOutlookFolder = olkFolder
    End If
    On Error GoTo 0
    Exit Function
ehOpenOutlookFolder:
    Set OpenOutlookFolder = Nothing
    On Error GoTo 0
End Function

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