Collaborator invite not able to create account

I am having an issue on one client website where the collaborator links sent out only allow the collaborator to log in, with no modal to create an account. When we try to log in with the email address and a made-up password, it says to check our inbox for a confirmation. I thought maybe this was working… but the confirmation is simply another invite link. So, it places our client in an endless loop of emails with no possibility to create an account.

I’ve opened these invite links incognito and in multiple browsers and it is doing the same thing across all tests. Other sites I manage have no issue creating collaborator links either.

Website is:

We are having the same issue. Any answers out there?

I found out it was due to some custom javascript I was loading into a form field!