selector plugin not working automatically on dash.

[Dazzler1985]

It doesnt give levels at all it gives an error in console like this :

[error][e] error on event core:ready trigger - TypeError: Cannot read property '_listenId' of undefined
at e.g. [as listenTo] (clappr.min.js:1)
at e.bindPlaybackEvents (level-selector.min.js:1)
at i (clappr.min.js:1)
at p (clappr.min.js:1)
at e.t.trigger (clappr.min.js:1)
at Object. (clappr.min.js:1)
at c (clappr.min.js:1)
at Object.fireWith [as resolveWith] (clappr.min.js:1)
at Object.o. [as resolve] (clappr.min.js:1)
at e. (clappr.min.js:1)