@SusanWojcicki The creator on your platform, Twoon or Toon, is unable to use his accounts. He has two and is unable to access either. Can you check and make it is not an issue on your end, and help him regain access to his accounts?
These steps may help recovering the account: https://yt.be/help/nr5L We recommend doing this from a known device and/or browser that's typically used to access the account. More tips here: https://yt.be/help/KyrL Hope this helps!