Judging from the screenshot you sent, this means a significant portion of your channel doesn’t meet YPP guidelines and policies. You can always re-apply in 30 days from when you received the decision email. We’d recommend reviewing the YPP Policies: https://yt.be/help/AsbB
We’d recommend reviewing the YPP Policies again (https://yt.be/help/AsbB ) and making content updates to more closely align with those guidelines. Note: there’s no way to expedite this process – so just keep uploading original content and building your audience in the meantime.