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VideosError type: "Forbidden". Error message: "The request cannot be completed because you have exceeded your quota." Domain: "youtube.quota". Reason: "quotaExceeded".
Did you added your own Google API key? Look at the help.
Check in YouTube if the id UCuoD6Bh2yyZNJKwtldIRt1Q belongs to a channelid. Check the FAQ of the plugin or send error messages to support.