You should have received an email and a notification with more info in Creator Studio. Take a look at those resources and note that you can always reapply for the YouTube Partner Program again in 30 days.
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I've looked through that, but it doesn't help. Does "reused content" include videos that don't have copyright notices? I don't have any copyright notices. Which video is violating this rule? Applying again in 30 days won't help anything because I have no idea what I'm doing wrong
End of conversation
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