This bug still exist on the version 3.3.0.
I tested on a mac with last versions of safari, firefox and opera with custom roles.
Attached files: Capture d’écran 2020-03-10 à 14.38.21.png
Have a look at our FAQ section at the bottom of the page at https://www.scripthat.com/support/ for troubleshooting undefined button issues. Typically it's related to something else interfering with the login process that you might have installed. There's some helpful tips there to try out.