Homekit problem with "Accessory already in use in another home"

[Mclupo (Wolf Kroenert)]

HomeKit issue: Accessory already added

Late on this, but for posterity: clearPairings is done via the karaf console, accessed via ssh. From your instance running OpenHab: ssh openhab:localhost -p 8081 Default password is “habopen”

Have a look here as well