Error type: "Forbidden". Error message: "The provided API key has an IP address restriction. The originating IP address of the call (2a00:b0e0:6:4::2b) violates this restriction." Domain: "global". Reason: "forbidden".

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

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