We'd like to take a look into this for you. Could you please help us with a screenshot of what you see on this page: https://goo.gl/BB2MFg ? Keep us posted.
Thanks for the screenshot. To apply for YouTube Partner Program, you'll need to gain 1000 subscribers in total and 4000 watch hours in the past 12 months to meet the new threshold. Once the application is approved, you can play ads on your videos. Hope this helps.