Thanks for reaching out. Have you tried recovering your account? You'll need to remember account related info, i.e., email/username. Once you have these details, you can recover the account following these steps: https://yt.be/help/o753 . Let us know if this helps.
Unfortunately, we wouldn't be able to access your channel for security reasons. You'll need to have at least any one of the credentials associated with your account to recover it. Hope this helps clarify.