Error on index.html call

[toxisch]

I work on a POC to test the XMPP module. If I build the client in the described way I got this error message on index.html call. Is this an Issue or did I miss something?

TypeError: jQuery(...).resizable is not a function
    at new SubscriptionsView.self.init (http://localhost/WRW/dist/webrtc-bundle.min.js:71:29670)
    at Object.createFun (http://localhost/WRW/dist/webrtc-bundle.min.js:5:11255)
    at Object.call (http://localhost/WRW/dist/webrtc-bundle.min.js:4:15031)
    at Object.View.self.create (http://localhost/WRW/dist/webrtc-bundle.min.js:5:20965)
    at get (http://localhost/WRW/dist/webrtc-bundle.min.js:4:28866)
    at create (http://localhost/WRW/dist/webrtc-bundle.min.js:4:29852)
    at http://localhost/WRW/dist/webrtc-bundle.min.js:4:28422
    at Array.map (native)
    at args (http://localhost/WRW/dist/webrtc-bundle.min.js:4:28137)
    at get (http://localhost/WRW/dist/webrtc-bundle.min.js:4:28713)
    at create (http://localhost/WRW/dist/webrtc-bundle.min.js:4:29852)
    at http://localhost/WRW/dist/webrtc-bundle.min.js:4:28422
    at Array.map (native)
    at args (http://localhost/WRW/dist/webrtc-bundle.min.js:4:28137)
    at get (http://localhost/WRW/dist/webrtc-bundle.min.js:4:28713)
    at create (http://localhost/WRW/dist/webrtc-bundle.min.js:4:29852)
get @ webrtc-bundle.min.js:4
create @ webrtc-bundle.min.js:4
(anonymous) @ webrtc-bundle.min.js:4
args @ webrtc-bundle.min.js:4
get @ webrtc-bundle.min.js:4
create @ webrtc-bundle.min.js:4
(anonymous) @ webrtc-bundle.min.js:4
args @ webrtc-bundle.min.js:4
get @ webrtc-bundle.min.js:4
create @ webrtc-bundle.min.js:4
create @ webrtc-bundle.min.js:5
(anonymous) @ webrtc-bundle.min.js:4
listener @ webrtc-bundle.min.js:14