[bug] cached invalid credentials ("Only lowercase letters allowed")
I tried logging into https://beta.learning.intersystems.com to view a video. My browser auto filled the login form. The username, the same one I use here and on many other ISC sites, is "sbeeson_MHCX". Now I have a message that says "Only lowercase letters allowed" and any time I visit the login form it just shows the same message. I cannot get back to the form.
I could obviously use an incognito window or clear my cache, but this needs to be fixed.