SAP Message WZ394 - XML tag <&1> not available

Diagnosis
The tag <&MSGV1&> was expected in the XML document received. But theXML document does not contain this tag at the correct position.

System Response
The XML processing is aborted with an error.

Procedure
Check that the structure of the XML document is correct. In particular,check whether the tag <&MSGV1&> is at the correct position.