I read http://jlexart.com/tutorials/youtube-feed-pro/item/42-youtube-feed-pro-user-guide-v3-7-x

http://prntscr.com/7e6teq

I didn't find this step (Important: Before do anything for Set layout, you must fill API key and Feed resource. Move to Key tab and fill Youtube API key) please help me!

Best regards,
Nodir Saidmakhmudov
nodir@list.ru