I've used the AD2PI and webapp (using the latest Raspberry Pi image on the site here) for around 2 months now, and am really happy with this neat package! One thing I observe is when trying to create new keypad Buttons, I have a field for Code, but no field for Label.
Here's what it looks like:

When I enter just a code and hit Save, I get a sensible error message:

Has anyone else experienced this, or have advice on a workaround?
Thanks, guys.