Dashboard shows wrong list of recently active devices

[buddemat]

The list of the "active" devices (i.e. the ones that transmitted data in the last 24 hrs) is incorrect.

https://smartaqnet.github.io/en/dashboard/#/things?$filter=not%20Datastreams%2FphenomenonTime%20lt%20now()%20sub%20duration'P1d'

Right now it lists a device (ID 181604) that has definitely not been active over the last 4 days, as it is unplugged on my desk.