Recently started seeing this error popping up with a few of these sensors. I replaced batteries and then re-paired them, but the error persists. It's not logging frequently so I may not have noticed it if it has been happening for any amount of time.
Curious if this happens to be an issue with any rules using mode change as a condition or trigger because all of the devices that are throwing this error are part of rules/apps that use "mode" as an event.
Edit: removed that device and replaced with a iris contact sensor, problem gone. Not sure if my sensor is having issue or if it was a driver problem?
@mike.maxwell I have another sensor of the same model that just started throwing this error, any idea what the cause might be?