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Error type: "Forbidden". Error message: "Access Not Configured. YouTube Data API has not been used in project 293434183872 before or it is disabled. Enable it by visiting https://console.developers.google.com/apis/api/youtube.googleapis.com/overview?project=293434183872 then retry. If you enabled this API recently, wait a few minutes for the action to propagate to our systems and retry." Domain: "usageLimits". Reason: "accessNotConfigured".

Did you added your own Google API key? Look at the help.

Check in YouTube if the id adr1987luxembourg belongs to a username. Check the FAQ of the plugin or send error messages to support.