It seems we have experienced lots of SOAP API errors during this period. We didn't change anything from our client side. Is this a known issues? Thanks!
API encountered an unexpected internal error.. (Error: InternalApiError.UNEXPECTED_INTERNAL_API_ERROR, FieldPath: , Trigger: )
---> System.Web.Services.Protocols.SoapException: InternalApiError.UNEXPECTED_INTERNAL_API_ERROR @ com.google.ads.api.services.common.error.InternalApiError.<init>(InternalApiErro
at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
at Google.Api.Ads.Common.Lib.AdsSoapClient.MakeApiCall(String methodName, Object[] parameters)
--- End of inner exception stack trace ---
at Google.Api.Ads.Common.Lib.AdsSoapClient.MakeApiCall(String methodName, Object[] parameters)
at Google.Api.Ads.Common.Lib.AdsSoapClient.Invoke(String methodName, Object[] parameters)
at Google.Api.Ads.AdWords.v201607.CampaignCriterionService.get(Selector serviceSelector)