ERROR: String could not be parsed as XML
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URL: https://cpc.cat.com/ws/services/XmlUpdate?wsdl
Headers:
Array
(
    [0] => Content-Type: text/xml; charset="utf-8"
    [1] => Content-Length: 662
    [2] => Accept: text/xml
    [3] => Cache-Control: no-cache
    [4] => Pragma: no-cache
    [5] => SOAPAction: "GetClasses"
)
Body: <?xml version="1.0" encoding="UTF-8" standalone="no"?>
		<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="http://xmlws.cat.vertis.com/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" >
		<SOAP-ENV:Body>
			<mns1:getGroupDetail xmlns:mns1="http://xmlws.cat.vertis.com/"><SalesChannelCode>H200</SalesChannelCode><LanguageId>en</LanguageId><id>2147483647</id>
			</mns1:getGroupDetail>
		</SOAP-ENV:Body>
		</SOAP-ENV:Envelope>

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<S:Enve
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