Thanks for reaching out – you should've received en email with more info about the suspension. If you believe your account was suspended in error, check out this resource on account terminations and what you can do to appeal: https://yt.be/help/WX8p
Thanks for this – it seems that this channel is connected to another account that's suspended due to copyright. You can check the notification that was sent to the email address associated with your terminated YouTube channel on how to proceed. Hope this clarifies!