Yeah will do. I think their devs really need to dig into this, it might be some kind of backend issue like maybe missing data in a DB or something.
I'm not a web dev but i took a quick look with the inspector at what happens, it seems like there's a POST request that submits our uci & app number to a "get-email" method and that request fails, ending the registration process.
Request looks like this:
and the response:
I think that "get-email" step is part of the overall registration stuff in this code:
and is triggered by the button here - the error text is already in the page source, ready to be displayed if the registration fails