This is related to a recent issue making the game totally unstable. (The game is stable now.) You can read about it here:
https://www.athenpaladins.org/forums/vi ... =2&t=14505
Source: https://forums.funcom.com/t/known-issue ... 023/228802Greetings, citizens of Rubi-Ka. Our website and account administration teams are currently investigating an issue affecting new account registration through the Anarchy Online website. Until this issue is resolved, you may experience an error when trying to register a new account. We sincerely apologize for any inconvenience this may cause and are working to identify and resolve the issue as swiftly as possible. As soon as new information is available, we’ll be happy to share it with all our players, so please keep an eye on the forums for further updates. We thank you for your patience and understanding while we work to resolve this matter and hope you all enjoy the weekend.
Regards,
GM Rooibos and the Funcom Support Team