Hello, Based on the logs, OperationAccessDenied.ACTION_NOT_PERMITTED <https://developers.google.com/adwords/api/docs/reference/v201609/AdGroupAdService.OperationAccessDenied#reason> error is encountered when you don't have an authorization to invoke the mutate method. It is possible that you're using the credentials with read-only access to create ad groups. You will need to have either a standard or administrative access level <https://support.google.com/adwords/answer/1704346> to make changes to your account.
If you continue to have an issue with this, could you provide us the email address associated to the refresh token via *Reply privately to author *option, so we can take a look. Regards, Bharani, AdWords API Team. -- -- =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ Also find us on our blog and Google+: https://googleadsdeveloper.blogspot.com/ https://plus.google.com/+GoogleAdsDevelopers/posts =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ You received this message because you are subscribed to the Google Groups "AdWords API Forum" group. To post to this group, send email to adwords-api@googlegroups.com To unsubscribe from this group, send email to adwords-api+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/adwords-api?hl=en --- You received this message because you are subscribed to the Google Groups "AdWords API Forum" group. To unsubscribe from this group and stop receiving emails from it, send an email to adwords-api+unsubscr...@googlegroups.com. Visit this group at https://groups.google.com/group/adwords-api. To view this discussion on the web visit https://groups.google.com/d/msgid/adwords-api/25c82b39-38ce-4cbf-be60-748226cef1d7%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.