not able to add ad extensions

[kartik....@nowfloats.com]

I am getting an error (EntityNotFound.INVALID_ID, FieldPath: operations[0].operand.campaignId, Trigger: CampaignId: "abcdef")

when I am trying to add an ad extension but when i try to do any other operation like pause the campaign or create an adgroup it works fine. Any help ? 

[Shwetha Vastrad (AdWords API Team)]

Hi Kartik, 

Could you enable logging and provide the complete SOAP request and response log so I can take a look? Please use Reply privately to author when responding. 

Thanks,

Shwetha, AdWords API Team.