Hilo is meant for personal use only and should not be shared.  

The error message is displayed when you try to pair a Hilo Band to two different user accounts. 

One account = Hilo Band + Hilo Cuff

Ensure that only the Hilo Band you are trying to pair is on the charger and/or the Aktiia cuff you are trying to pair is the one that is paired with your account.

Please see the following FAQ`s for further information on how to pair/unpair your Hilo devices: 

Pairing your Aktiia Bracelet

Pairing your Aktiia Cuff

How do I transfer my bracelet to a different user?

I changed my phone/I lost my phone/ My phone broke. Do I need to unpair and pair again?

How do I unpair my device?