How to fix an error: Account does not exist (when trying to delete email account)

In this tutorial I will show you how to fix an error: Account does not exist (when trying to delete email account)

If you want to resolve this error, follow the next instructions:

To resolve this:

1. Logout of cPanel/
2. SSH to the server it is on
3. $ cd /home/<user>/.cpanel/
4. $ mv -v email_accounts.yaml email_accounts.yaml.orig
5. $ mv -v email_accounts.cache email_accounts.cache.orig
6. Log back into the cPanel -> Email Account;

and the issue should have been resolved.