UNEXPECTED_INTERNAL_API_ERROR

[outleads]

We keep on getting UNEXPECTED_INTERNAL_API_ERROR when calling 
getCustomers() when using a specific client's token. All other API calls 
using this token are coming through fine and the getCustomers() call is 
coming through fine using all of our other clients' tokens.

This error keeps on occurring over the past 24 hours. We also asked the 
client to re-authorize access, which generated a new token, but the error 
persists.

There are plenty of requests, but one example is request 
ID 0005d8b20c07869f091d40971e015762.

The request body is as follows:

[Feb 23 2022 16:35:01.000000 - ERROR] POST 
/api/adwords/mcm/v201809/CustomerService HTTP/1.1
Host: adwords.google.com
Connection: Keep-Alive
User-Agent: PHP-SOAP/7.2.34, gzip
Accept-Encoding: gzip, deflate
Content-Encoding: gzip
Content-Type: text/xml; charset=utf-8
SOAPAction: ""
Content-Length: 312
Authorization: Bearer [refreshtoken]

<?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/mcm/v201809"; 
xmlns:ns2="https://adwords.google.com/api/adwords/cm/v201809";>
  <SOAP-ENV:Header>
    <ns1:RequestHeader>
      <ns2:developerToken>[devtoken]</ns2:developerToken>
      <ns2:userAgent>Outleads (AwApi-PHP/8.3.0, Common-PHP/8.3.0, 
PHP/7.2.34)</ns2:userAgent>
    </ns1:RequestHeader>
  </SOAP-ENV:Header>
  <SOAP-ENV:Body>
    <ns1:getCustomers/>
  </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

The response is as follows:

HTTP/1.1 500 Internal Server Error
Content-Type: text/xml; charset=UTF-8
Content-Encoding: gzip
Date: Wed, 23 Feb 2022 16:35:01 GMT
Expires: Wed, 23 Feb 2022 16:35:01 GMT
Cache-Control: private, max-age=0
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
Content-Security-Policy: frame-ancestors 'self'
X-XSS-Protection: 1; mode=block
Server: GSE
Alt-Svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; 
ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; 
ma=2592000,quic=":443"; ma=2592000; v="46,43"
Transfer-Encoding: chunked

<?xml version="1.0"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/";>
  <soap:Header>
    <ResponseHeader 
xmlns:ns2="https://adwords.google.com/api/adwords/cm/v201809"; 
xmlns="https://adwords.google.com/api/adwords/mcm/v201809";>
      <ns2:requestId>0005d8b20c07869f091d40971e015762</ns2:requestId>
      <ns2:serviceName>CustomerService</ns2:serviceName>
      <ns2:methodName>getCustomers</ns2:methodName>
      <ns2:operations>1</ns2:operations>
      <ns2:responseTime>342</ns2: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/mcm/v201809"; 
xmlns:ns2="https://adwords.google.com/api/adwords/cm/v201809";>
          <ns2:message>[InternalApiError.UNEXPECTED_INTERNAL_API_ERROR @ 
com.google.ads.api.services.common.error.InternalApiError.&lt;init&gt;(InternalApiErro]</ns2:message>
          
<ns2:ApplicationException.Type>ApiException</ns2:ApplicationException.Type>
          <ns2:errors xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xsi:type="ns2:InternalApiError">
            <ns2:fieldPath/>
            <ns2:trigger/>
            
<ns2:errorString>InternalApiError.UNEXPECTED_INTERNAL_API_ERROR</ns2:errorString>
            <ns2:ApiError.Type>InternalApiError</ns2:ApiError.Type>
            <ns2:reason>UNEXPECTED_INTERNAL_API_ERROR</ns2:reason>
          </ns2:errors>
        </ApiExceptionFault>
      </detail>
    </soap:Fault>
  </soap:Body>
</soap:Envelope>

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