So. Jun 26th, 2022

YouTube

This error message is only visible to WordPress admins

Error 403: YouTube Data API v3 has not been used in project 561577885602 before or it is disabled. Enable it by visiting https://console.developers.google.com/apis/api/youtube.googleapis.com/overview?project=561577885602 then retry. If you enabled this API recently, wait a few minutes for the action to propagate to our systems and retry..

Domain code: usageLimits
Reason code: accessNotConfigured