Error type: "Forbidden". Error message: "Daily Limit Exceeded. The quota will be reset at midnight Pacific Time (PT). You may monitor your quota usage and adjust limits in the API Console:" Domain: "usageLimits". Reason: "dailyLimitExceeded".

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

Check in YouTube if the id UCAJw84cmzl9cPVjW9ukd6Fw belongs to a channelid. Check the FAQ of the plugin or send error messages to support.