Team captain: Roeland Vermeulen Position: Outside center
Member 2: Helen Klappe Position: Inside center
Member 3: Jan Willem Baas Position: Point
Member 4: Patricia Roescher Position: Tail
Reserve: nog niet bekend Position:
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 PLJjA0i5oMak35t8Ne0AMRZmZ-XTk6UJhC belongs to a playlist. Check the FAQ of the plugin or send error messages to support.