Team captain: Danny Dörfel Position: Outside Center
Member 2: Koen van der Venne Position: Inside Center
Member 3: Meüs van der Poel Position: Tail
Member 4: Mark Schindeler Position: Point
Error type: "Bad Request". Error message: "API key not valid. Please pass a valid API key." Domain: "global". Reason: "badRequest".

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

Check in YouTube if the id PLJjA0i5oMak0F3vsCCZdFPlp3cJ9Z2Y0t belongs to a playlist. Check the FAQ of the plugin or send error messages to support.