Hi @pm-smayer97 - glad you found a work around. That link doesn't work for me..because it is bring me to a regular Chrome tab. But since the upgrades My Account has been working best for me in incognito mode. Public Mobile should post this somewhere about this finicky issue..😐
Under the "Profile" section here:

When I click "Report Lost / Stolen Phone" I get the below option:

But that is as far as I want to go..does this not happen for you?
I am in My Account through incognito mode. Try the incognito mode way and see if it works for you.