If you upload content from multiple sources, or reupload/repurpose someone else’s existing content (ie “reuse content”) then you won’t be eligible for YPP. Check out the FAQs and best practices here: https://yt.be/help/reused-content … and you can always reapply in 30 days.
Thanks TeamYouTube for getting a human review. Today they enabled monetization on my channel. My videos are very beautiful but the views are abnormally low. I hope it is going to change soon.