If you are not able to access your Apple account because your Apple Id is Disabled then you may need to do following steps to regain the access

1. Try using two-step authentication
2. Or Reset Apple Password

But make sure after creating a new password you need to update this password in iCloud Setting and Apple Services. If you have any confusion while fixing this error then you need to interact with customer care representative for clarifying the doubts and queries.

Read More : Forgot my Apple ID