Third problem If try to new adgroup to a campaign with existing adgroups with keywords. Note, that I don't set maxCpm even if error message says so.

<env:Envelope xmlns:env='http://schemas.xmlsoap.org/soap/envelope/'> <env:Header> </env:Header> <env:Body> <addAdGroup xmlns='https://adwords.google.com/api/adwords/v12'> <campaignID>XXX</campaignID> <newData> <campaignId>XXX</campaignId> <id>0</id> <keywordContentMaxCpc xmlns:xsi='http://www.w3.org/2001/XMLSchema- instance' xsi:nil='true'/> <keywordMaxCpc xmlns:xsi='http://www.w3.org/2001/XMLSchema- instance' xsi:nil='true'/> <name>adgroup junit test 10797983906543</name> <proxyKeywordMaxCpc xmlns:xsi='http://www.w3.org/2001/XMLSchema- instance' xsi:nil='true'/> <siteMaxCpc>1100000</siteMaxCpc> <siteMaxCpm xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:nil='true'/> <status>Enabled</status> </newData> </addAdGroup> </env:Body> </env:Envelope>

<soapenv:Envelope xmlns:soapenv='http://schemas.xmlsoap.org/soap/ envelope/' xmlns:xsd='http://www.w3.org/2001/XMLSchema' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'> <soapenv:Header> <responseTime soapenv:actor='http://schemas.xmlsoap.org/soap/actor/ next' soapenv:mustUnderstand='0' xmlns='https://adwords.google.com/api/ adwords/v12'>46</responseTime> <operations soapenv:actor='http://schemas.xmlsoap.org/soap/actor/ next' soapenv:mustUnderstand='0' xmlns='https://adwords.google.com/api/ adwords/v12'>1</operations> <units soapenv:actor='http://schemas.xmlsoap.org/soap/actor/next' soapenv:mustUnderstand='0' xmlns='https://adwords.google.com/api/ adwords/v12'>1</units> <requestId soapenv:actor='http://schemas.xmlsoap.org/soap/actor/ next' soapenv:mustUnderstand='0' xmlns='https://adwords.google.com/api/ adwords/v12'>d1c52d2134987904d9db79f0e4ba9aef</requestId> </soapenv:Header> <soapenv:Body> <soapenv:Fault xmlns:soapenv='http://schemas.xmlsoap.org/soap/ envelope/'> <faultcode>soapenv:Server.userException</faultcode> <faultstring>One or more input elements failed validation.</ faultstring> <detail> <ns1:fault xmlns:ns1='https://adwords.google.com/api/adwords/v12'> <ns1:code>122</ns1:code> <ns1:message>One or more input elements failed validation.</ ns1:message> <ns1:errors> <ns1:index xmlns:ns1='https://adwords.google.com/api/adwords/ v12'>0</ns1:index> <ns1:code xmlns:ns1='https://adwords.google.com/api/adwords/ v12'>79</ns1:code> <ns1:isExemptable xmlns:ns1='https://adwords.google.com/api/ adwords/v12'>false</ns1:isExemptable> <ns1:detail xmlns:ns1='https://adwords.google.com/api/adwords/ v12'>You can&apos;t set maxCpm or maxCpa for a keyword Cpc based campaign.</ns1:detail> </ns1:errors> </ns1:fault> </detail> </soapenv:Fault> </soapenv:Body> </soapenv:Envelope>