We'd like to know more. Are you able to share the screenshot of the Monetization page from Creator Studio: https://goo.gl/ySjhEs ? Also, please share the channel URL for us to look into this better. Let us know.
While we can't confirm, this typically means that the content is not original/auto-generated. Here's more about reused content & how you can avoid them in future videos: https://goo.gl/Vnir3S . Hope this helps!