Yes--it's when I push on that button that I get the "please match the requested format" error above the username field.
@katharinebeals you aren't including a colon are you
@katharinebeals Ah, you are missing the @ before the Katharine! @katharine... you have to have that as well
@BronwynHemsley Tried that also. There are too many characters, and the "g" from "org" disappears.