Your account is locked. There are several possible reasons:
1- We do not accept new members. This website is closed, so any new registration gets automatically locked.
2- Your IP is in a blacklist. Try to access without using a proxy or a VPN, this will probably fix the problem.
3- You have been banned. If you didn't respected the rules, that's what happens.
If you think that it is a mistake, contact TheWolf in Discord and give your IP address for investigation.