Just got my Hubitat today and thought I would start with my Hue Bridge.
However I failed to get it working! SOmewhat worried now as I failed at the first hurdle!
Anyway - I installed the Hue Bridge App and it found the bridge. I selected it and then pressed "next". I was asked to press the button on the Hue Bridge which I did. I then pressed "done" and was greeted with the following:-
Unexpected Error
An unexpected error has occurred trying to load the app. Check Logs for more information.
Error: Cannot get property 'value' on null object
EDIT: I thought I would add the log entries
app:332019-05-23 18:33:10.740 errorjava.lang.NullPointerException: Cannot get property 'value' on null object (mainPage)
app:332019-05-23 18:32:56.566 errorjava.lang.NullPointerException: Cannot get property 'value' on null object (mainPage)
app:332019-05-23 18:23:57.457 errorjava.lang.NullPointerException: Cannot get property 'value' on null object (bulbDiscovery)
This is exactly what happened to me. My first act was to connect my Hue to HE and it failed in the same way. As odd as it may sound, my problem was using Safari on an iPad. I used Chrome on a desktop and it connected properly and immediately. Iβm not sure what the issue with yours is but take this for what itβs worth.
Did you ever figure this out? It's happening to me now with a bridge I've used successfully before. I've already added two bridges, but with the third I keep getting this same error message.