Yeah that may be it - we stumbled on this when we kept looking:
https://ads-developers.googleblog.com/2018/03/changes-to-inactive-adwords-accounts.html
And I bet that is the issue. We updated our code so it will report the
account with the problem so that our users can check and remove that
acco
Our connector that uses the AdWords API has users suddenly seeing errors like
this when trying to authenticate or use the connector:
[AuthorizationError.CUSTOMER_NOT_ACTIVE @ ; trigger:‘’]
OAuth account fetch error: x resp: [AuthorizationError.CUSTOMER_NOT_ACTIVE
@ ; trigger:''] (Supermetric