Error type: "Forbidden". Error message: "Method doesn't allow unregistered callers (callers without established identity). Please use API Key or other form of API consumer identity to call this API." Domain: "global". Reason: "forbidden".

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

Check in YouTube if the id PLM8Uz9REHvcoMmL5WSDOsIdpWUbL0nAUG belongs to a playlist. Check the FAQ of the plugin or send error messages to support.

Error type: "Forbidden". Error message: "Method doesn't allow unregistered callers (callers without established identity). Please use API Key or other form of API consumer identity to call this API." Domain: "global". Reason: "forbidden".

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

Check in YouTube if the id PLM8Uz9REHvcrL-iJd1nzMyTPkKnRRC1_3 belongs to a playlist. Check the FAQ of the plugin or send error messages to support.

Error type: "Forbidden". Error message: "Method doesn't allow unregistered callers (callers without established identity). Please use API Key or other form of API consumer identity to call this API." Domain: "global". Reason: "forbidden".

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

Check in YouTube if the id PLM8Uz9REHvcrWCOrU9q0EDb9L4WmE8JCA belongs to a playlist. Check the FAQ of the plugin or send error messages to support.

Error type: "Forbidden". Error message: "Method doesn't allow unregistered callers (callers without established identity). Please use API Key or other form of API consumer identity to call this API." Domain: "global". Reason: "forbidden".

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

Check in YouTube if the id PLM8Uz9REHvcqRbCudFLC5_cFdS3WJnRN4 belongs to a playlist. Check the FAQ of the plugin or send error messages to support.