Any idea what is behind this error message

I see this occasionally if I open a reactor that is active. Not sure if it is related. Seems to go away if I reboot the Vera.Annotation%202019-05-21%20203909

make sure none of your reactor vairables are missing

This is a browser-related message. What browser is this?

Looks like in IE issue. Tested in chrome and Edge and did not see the error. IE bug was repoed at home and at office.

Promise is not supported on IE, but required by Reactor’s UI. Let me see if I can get a useful polyfill there, but if not, I think I will finally have to eliminate a browser from the support list. IE goes EOS in January anyway, according to MSFT. Good riddance.

yeah dump IE