Rules for W3C SOAP Fault messages. This ISO Schematron schema specifies rules for validating the content of W3C SOAP fault messages. The document element must have [local name] = "Envelope" and [namespace name] = "http://www.w3.org/2003/05/soap-envelope". Missing required env:Body element. Body must have only 1 child element. Required env:Fault element is missing from env:Body. Missing required fault code. Missing required reason. Missing detail entry (ows:ExceptionReport) The root element has [local name] = '"" and [namespace name] = "".