Crashes when clicking Furious 7

[doronz]

Process: com.hackvg.android, PID: 31109
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.support.v7.graphics.Palette$Swatch.getRgb()' on a null object reference
            at com.hackvg.android.views.activities.MovieDetailActivity.setVibrantElements(MovieDetailActivity.java:505)
            at com.hackvg.android.views.activities.MovieDetailActivity.onGenerated(MovieDetailActivity.java:499)
            at android.support.v7.graphics.Palette$1.onPostExecute(Palette.java:184)
            at android.support.v7.graphics.Palette$1.onPostExecute(Palette.java:176)
            at android.os.AsyncTask.finish(AsyncTask.java:632)
            at android.os.AsyncTask.access$600(AsyncTask.java:177)
            at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:645)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:135)
            at android.app.ActivityThread.main(ActivityThread.java:5312)
            at java.lang.reflect.Method.invoke(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:372)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:901)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:696)