Login issue. It shows authentication error

Please help me
I am not able to sign in with my account in www.netlify.com . It showed me authentication error- already have a registered user with this email address. Log in to connect your GitHub account. It says my account is suspended.

please help

Hi, I have taken a look at your account and I can see you were banned upon signup. Please view what our VP of Security has to say involving potential fraud and abuse on our platform.

Unfortunately, your account has been flagged due to increased potential for fraudulent behavior. As a result, we are unable to enable your account. We understand that you may have questions regarding the ban; however, please note that we will not be able to provide further review or additional reasoning for this decision.

We appreciate your interest in our services, and while we understand this may be disappointing news, we take the security and integrity of our platform very seriously. Our Fraud and Abuse Team has thoroughly reviewed the situation, and based on their assessment, the decision to disable your account has been made. We value your understanding and cooperation.