VersionMismatch

[soumya pathuri]

I am using traffic estimator service and getting following error.
Please suggest .

<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/
envelope/"><soap:Body><soap:Fault><faultcode>soap:VersionMismatch</
faultcode><faultstring>INVALID_VERSION</faultstring></soap:Fault></
soap:Body></soap:Envelope>


Xml Code:


<?xml version="1.0"  encoding="UTF-8" ?>
             <soapenv:Envelope xmlns:soapenv=" 
http://schemas.xmlsoap.org/soap/envelope/";
             xmlns:o="https://adwords-sandbox.google.com/api/adwords/
o/
v201008"
             xmlns:cm="https://adwords-sandbox.google.com/api/
adwords/
cm/
v201008"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; >
             <soapenv:Header>
             <o:RequestHeader>
             <cm:authToken>xxxxxxx</cm:authToken>
             <cm:clientEmail>client_3+xxx...@gmail.com</
cm:clientEmail>
             <cm:developerToken>xxxx++USD</cm:developerToken>
             <cm:userAgent>Testing</cm:userAgent>
             </o:RequestHeader>
             </soapenv:Header>
             <soapenv:Body>
             <o:get>
             <o:selector>
             <o:campaignEstimateRequests>
             <o:adGroupEstimateRequests>
             <o:keywordEstimateRequests>
             <o:keyword>
             <cm:text>SEO</cm:text>
             <cm:matchType>EXACT</cm:matchType>
             </o:keyword>
             </o:keywordEstimateRequests>
             <o:maxCpc>
             <cm:microAmount>1000000</cm:microAmount>
             </o:maxCpc>
             </o:adGroupEstimateRequests>
             <o:targets xsi:type="cm:CountryTarget" >
             <cm:countryCode>US</cm:countryCode>
             </o:targets>
             <o:targets xsi:type="cm:LanguageTarget" >
             <cm:languageCode>en</cm:languageCode>
             </o:targets>
             </o:campaignEstimateRequests>
             </o:selector>
             </o:get>
             </soapenv:Body>
             </soapenv:Envelope>


Thanks,
Soumya.

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