Problem in loging into my account

I can’t log in to my account. how can I fix it?
it shows this error:

Authentication Error

Authenticating failed due to the following error: We already have a registered user with this email address. Log in to connect your GitHub account.

@parvinzaman It may be related to this:

Hi I see your account was suspended. Can you please submit an appeal request. you should see this when you attempt to login with your email. If this is not possible please submit a ticket here: Support