UNEXPECTED_INTERNAL_API_ERROR while creating CallFeed

[Евгений Лебедев]

I'm getting UNEXPECTED_INTERNAL_API_ERROR when trygin to add CallFedd to adgoup.

 Request:

[Aug 21 2015 11:24:11.000000 - ERROR] POST /api/adwords/cm/v201506/AdGroupExtensionSettingService HTTP/1.1

Host: adwords.google.com

Connection: Keep-Alive

User-Agent: PHP-SOAP/5.6.10-1+deb.sury.org~trusty+1, gzip

Accept-Encoding: gzip, deflate

Content-Encoding: gzip

Content-Type: text/xml; charset=utf-8

SOAPAction: ""

Content-Length: 576

Authorization: Bearer ***

<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="https://adwords.google.com/api/adwords/cm/v201506" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SOAP-ENV:Header>
    <ns1:RequestHeader>
      <ns1:clientCustomerId>3356694810</ns1:clientCustomerId>
      <ns1:developerToken>****</ns1:developerToken>
      <ns1:userAgent>*****</ns1:userAgent>
    </ns1:RequestHeader>
  </SOAP-ENV:Header>
  <SOAP-ENV:Body>
    <ns1:mutate>
      <ns1:operations>
        <ns1:operator>ADD</ns1:operator>
        <ns1:operand>
          <ns1:adGroupId>19873527426</ns1:adGroupId>
          <ns1:extensionType>CALL</ns1:extensionType>
          <ns1:extensionSetting>
            <ns1:extensions xsi:type="ns1:CallFeedItem">
              <ns1:callPhoneNumber>063-123-45-67</ns1:callPhoneNumber>
              <ns1:callCountryCode>UA</ns1:callCountryCode>
              <ns1:callTracking>false</ns1:callTracking>
              <ns1:callOnly>false</ns1:callOnly>
              <ns1:callConversionType/>
            </ns1:extensions>
          </ns1:extensionSetting>
        </ns1:operand>
      </ns1:operations>
    </ns1:mutate>
  </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

Response:

HTTP/1.1 500 Internal Server Error

Content-Type: text/xml; charset=UTF-8

Content-Encoding: gzip

Date: Fri, 21 Aug 2015 08:24:11 GMT

Expires: Fri, 21 Aug 2015 08:24:11 GMT

Cache-Control: private, max-age=0

X-Content-Type-Options: nosniff

X-Frame-Options: SAMEORIGIN

X-XSS-Protection: 1; mode=block

Content-Length: 547

Server: GSE

<?xml version="1.0"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Header>
    <ResponseHeader xmlns="https://adwords.google.com/api/adwords/cm/v201506">
      <requestId>00051dcdfe0b45700a810041b304f3f2</requestId>
      <serviceName>AdGroupExtensionSettingService</serviceName>
      <methodName>mutate</methodName>
      <operations>1</operations>
      <responseTime>558</responseTime>
    </ResponseHeader>
  </soap:Header>
  <soap:Body>
    <soap:Fault>
      <faultcode>soap:Server</faultcode>
      <faultstring>[InternalApiError.UNEXPECTED_INTERNAL_API_ERROR @ com.google.ads.api.services.common.error.InternalApiError.&lt;init&gt;(InternalApiErro]</faultstring>
      <detail>
        <ApiExceptionFault xmlns="https://adwords.google.com/api/adwords/cm/v201506">
          <message>[InternalApiError.UNEXPECTED_INTERNAL_API_ERROR @ com.google.ads.api.services.common.error.InternalApiError.&lt;init&gt;(InternalApiErro]</message>
          <ApplicationException.Type>ApiException</ApplicationException.Type>
          <errors xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="InternalApiError">
            <fieldPath/>
            <trigger/>
            <errorString>InternalApiError.UNEXPECTED_INTERNAL_API_ERROR</errorString>
            <ApiError.Type>InternalApiError</ApiError.Type>
            <reason>UNEXPECTED_INTERNAL_API_ERROR</reason>
          </errors>
        </ApiExceptionFault>
      </detail>
    </soap:Fault>
  </soap:Body>
</soap:Envelope>

Does anybody know what is the problem?