deCONZ - Official thread

If you go through these steps you shouldn’t be needed to clean stuff up afterwards

  1. Shut down home assistant
  2. Go to home-assistant/.storage
  3. Open core.entity_registry and core.device_registry
  4. Look for unique ids looking something like 12345EFFFF67890-/group/0
  5. Remove the four F so you get something like 12345E67890-/group/0
  6. Update home assistant and start it up again
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