Try this on a copy of your file:
Code:
Sub ScratchMacro()
Dim oXMLSR As XMLSchemaReference
For Each oXMLSR In ActiveDocument.XMLSchemaReferences
If InStr(oXMLSR.NamespaceURI, "ActionsPane") > 0 Then
oXMLSR.Delete
End If
Next
lbl_Exit:
Exit Sub
End Sub