I’m attempting to add a garage door to my system. It’s working fine through the Web and App, but I’m getting this error when attempting to add the Serial # to alarm.com:
There was an error while registering your LiftMaster MyQ Gateway. Please ensure that you have entered the correct serial number and then contact us for assistance.
My unit is actually a Chamberlain MyQ gateway - not sure if that matters.
I’ve also deregistered it from the mychaimberlain.com website and app