Unable to change Distance Value

All -

  I just upgraded one Ubiquiti Airgrid M2 to the latest AREDN Beta (3.16.1.0b01) from a previous Beta with saving my previous settings.  I attempted to change the distance value as it was set to 250 km (much too long) and the field would not take numbers and backspace would cause the web page to back up to the previous screen rather than erasing the existing distance value.  Delete didn't work either.  I put the node into service as it'll work with that distance value.  I moved to a new Airgrid M2 and installed the latest Beta over the AIROS 5.5.8 (XM hardware) and when attempting to configure I wound up not being able to set my configuration as the distance value was set to zero and I could not change it as described above.  I was using Internet Explorer 11 where I first noted the problem  I switched to Google Chrome version 48.X and found the same problem.  I believe this is a bug or is there a work around?

                                                               73, Bill K1CT