1HTTP/1.1 500 Internal Server Error
CONTENT-TYPE: text/xml
CONTENT-LENGTH: 438

<?xml version="1.0" encoding="utf-8"?>
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><s:Fault><faultcode>s:Client</faultcode><faultstring>UPnPError</faultstring><detail><UPnPError xmlns="urn:schemas-upnp-org:control-1-0"><errorCode>401</errorCode><errorDescription>Invalid Action</errorDescription></UPnPError></detail></s:Fault></s:Body></s:Envelope>