Use the API Browser from @TAustin to check the device to find out if it is Type DTH or Type ZWAVE. If it’s DTH, do you still have the custom DTH installed in the IDE? If so, you’ll want to delete that before trying to add your lock again.
NOTICE!!: SmartThings has now released its own equivalent of this app here , so you may prefer to use that instead.
I have a browser-based web app that provides a point-and-click way to explore most of the SmartThings API. For the non-technical, this gives you access to an important SmartThings resource without having to learn tools like Postman, curl, or the CLI. You don’t even need a computer: a tablet or even smartphone can be used. For the more technically inclined, it provides much faster and more convenient access to those commonly-accessed CLI commands. Although I originally thought of it as a portal for the non-technical, I’ve actually found it quite useful to use during my own development activities.
This is not intended as a replacement or ‘competitor’ to the CLI, mysmart…