@TeamYouTube
I've already tried the steps on that page, but they didn't solve the issue.
I believe there is a YouTube channel associated with this Google account, but I can't find it because I didn't get the chance to change its channel ID before I lost access to this account.
Hi @TeamYouTube,
I've lost access to my main Google account, and it appears to have been hacked.
I hope I can recover and secure my account again. Thank you for your response, and I'd appreciate any guidance on the recovery process.