What is the cause of google adwords API OpportunityError.RPC_ERROR

Question

The documentation of the BulkOpportunityService Oppurtunity Error is found here without any helpful descriptions

http://code.google.com/apis/adwords/docs/reference/latest/BulkOpportunityService.OpportunityError.html

Opportunity.Reason documentation for the two possible exceptions is found here

http://code.google.com/apis/adwords/docs/reference/latest/BulkOpportunityService.OpportunityError.Reason.html

Enumerations

1. OPPORTUNITY_DOES_NOT_EXIST
2. RPC_ERROR

Does anyone know what causes this error?

Answer 1

This error indicates that there was a temporary issue with the backend for the service, and retrying later should resolve the problem.

PS - The best place to post questions about the AdWords API is to the official developer forum: http://code.google.com/apis/adwords/forum.html