Z-wave with Aeon Z-stick S2 error

I believe that is a z-wave 700 series stick. Only 500 series sticks will work with the OH zwave binding (there is a long and detailed history of this decision on these forums if you care to search for it). You can use 700 series devices with a 500 series stick, but OH doesn’t use the api necessary to communicate with the 700 series sticks.

There are workarounds for this where you can use some other software as an intermediary between OH and newer sticks. Here’s one of the newer one’s: