Error type: "Bad Request". Error message: "Bad Request" Domain: "usageLimits". Reason: "keyInvalid".
Did you added your own Google API key? Look at the
help.
Check in YouTube if the id
PLpI-kyNMZfWU0f3hbIBGvKdFIHFBMiG12 belongs to a playlist. Check the
FAQ of the plugin or send error messages to
support.
