plugin installed, but homebridge not recognizing it.
I'm getting the plugin as not registered now, it is probably a stupid problem on my part, but I cannot for the life of me figure it out.
Here is the log:

Sep 05 07:48:51 raspberrypi homebridge[2989]: /usr/local/lib/node_modules/homebridge/lib/api.js:64
Sep 05 07:48:51 raspberrypi homebridge[2989]: throw new Error("The requested accessory '" + name + "' was not registered by any plugin.");
Sep 05 07:48:51 raspberrypi homebridge[2989]: ^
Sep 05 07:48:51 raspberrypi homebridge[2799]: Error: The requested accessory 'WUWeatherStationExtended' was not registered by any plugin.
Sep 05 07:48:51 raspberrypi homebridge[2799]: at API.accessory (/usr/local/lib/node_modules/homebridge/lib/api.js:64:13)
Sep 05 07:48:51 raspberrypi homebridge[2799]: at Server._loadAccessories (/usr/local/lib/node_modules/homebridge/lib/server.js:254:42)
Sep 05 07:48:51 raspberrypi homebridge[2799]: at Server.run (/usr/local/lib/node_modules/homebridge/lib/server.js:81:38)
Sep 05 07:48:51 raspberrypi homebridge[2799]: at module.exports (/usr/local/lib/node_modules/homebridge/lib/cli.js:40:10)
Sep 05 07:48:51 raspberrypi homebridge[2799]: at Object.<anonymous> (/usr/local/lib/node_modules/homebridge/bin/homebridge:17:22)
Sep 05 07:48:51 raspberrypi homebridge[2799]: at Module._compile (module.js:571:32)
Sep 05 07:48:51 raspberrypi homebridge[2799]: at Object.Module._extensions..js (module.js:580:10)
Sep 05 07:48:51 raspberrypi homebridge[2799]: at Module.load (module.js:488:32)
Sep 05 07:48:51 raspberrypi homebridge[2799]: at tryModuleLoad (module.js:447:12)
Sep 05 07:48:51 raspberrypi homebridge[2799]: at Function.Module._load (module.js:439:3)
Sep 05 07:48:51 raspberrypi homebridge[2799]: at Module.runMain (module.js:605:10)
Sep 05 07:48:51 raspberrypi homebridge[2799]: at run (bootstrap_node.js:425:7)
Sep 05 07:48:51 raspberrypi homebridge[2799]: at startup (bootstrap_node.js:146:9)
Sep 05 07:48:51 raspberrypi homebridge[2799]: at bootstrap_node.js:540:3
Sep 05 07:48:51 raspberrypi systemd[1]: homebridge.service: main process exited, code=exited, status=1/FAILURE
Sep 05 07:48:51 raspberrypi systemd[1]: Unit homebridge.service entered failed state.

and requisite part of the config

>
      {
        "accessory": "WUWeatherStationExtended",
        "name": "Weather Station",
        "interval": "4",
        "key": "xxxxxxxxxxxxxxx",
        "location": "pws:KTXTYLER51",
        "forecast": "today"
      }