We'd like to help. Could you share a screenshot of the monetization page for us to look into it better? Here's how: https://yt.be/help/acmo . Also, mind sharing your channel URL? Keep us posted.
Thanks for confirming. You should've received an email and a notification with more info in Creator Studio. You can always reapply for the YouTube Partner Program again in 30 days. Here's more info: https://yt.be/help/D1wB . Hope this helps.