If you are seeing an error message like the one above after attempting to control a scene, it means that the hub did not see an acknowledgement from the listed device(s). This could occur due to a few reasons:
The scene member is out of range of the hub.
The scene member failed to hear the command.
The scene member took longer than expected to respond.
The hub missed the acknowledgement from the scene member.
The scene member has experienced a hardware failure.
If you are seeing frequent errors for the same scene members and you don’t believe it is outside of range or has a hardware failure, reach out to support@insteon.com. Be sure to include the email associated with your hub account, the scene name, and screenshots of the error messages.