Cannot link an account (SRAS120)

I'm trying to make an account since I recently recieved an error saying this below and I can't even make an account or connect because the link takes me to a page that currently isn't avaliable.

AT&T High Speed Internet

Important Message from AT&T

Your account needs immediate attention. Residential customers can log in with your myAT&T user ID and passwordto be back to browsing the internet as quickly as possible.