Register for one of our Google Ads API workshops (March 6, 2019 - April 23, 2019).

enum CampaignPreferenceError.Reason (v201809)

Enumeration Description
PREFERENCE_ALREADY_EXISTS A campaign cannot have two preferences with the same preference key.
PREFERENCE_NOT_FOUND No preference matched the given preference key.

Send feedback about...

AdWords API
AdWords API
Need help? Visit our support page.