Just keep trying. You also may try to clear cache and cookies in your browser to see if that may help.
I did all those things and tried another device. Nothing works. I have seen posts like this from last year but never saw a remedy for it. If this is a Turbotax issue, I wish someone would say something. I also tried calling for assistance...that was a waste of my time as well. So frustrating.
Please call TurboTax Customer service. Here is a link: Turbo Tax Customer Service
I tried a few dozen times, and called support. Still same error, trying to set up a distinct account
for a different business:
"The feature you've requested is temporarily unavailable"
On three browsers, with cookies cleared and strict cookie policy OFF. Firefox and Chrome/Edge (which are based on the same engine).