Thanks for reaching out. For us to look into it we'd need the channel URL. The link that you've shared isn't redirecting to a YouTube channel. Could you recheck and get back to us with the right one? Keep us posted.
Thanks for the info. While we can't share specifics, we recommend taking a look at our YPP policies to learn more about reused content & tips to avoid it in future: https://yt.be/help/AsbB . Hope this helps.