Microsoft Forms - Share to collaborate with external users not working

I created a Microsoft form and selected the share option " Share to collaborate"  and chose the "Anyone with this link can view and edit". I then copy the link provided and forward to an external user, when the external user clicks on the link they are taken to a  Microsoft forms webpage which requires a login.

This feature was working a few weeks ago.(meaning the external user was not required to login) Has Microsoft made changes to this function?

I have also verified the Admin center setting for Microsoft Forms and currently have one option

"External collaboration