Error while running

[khizar1556]

When i run this app destroyed and give this error
FATAL EXCEPTION: main
Process: com.apical.testmoboplayer, PID: 25523
java.lang.NoClassDefFoundError: com.clov4r.moboplayer.android.rtmp.MoboVideoView$10
at com.clov4r.moboplayer.android.rtmp.MoboVideoView.(MoboVideoView.java:1625)
at com.clov4r.moboplayer.android.rtmp.MainActivity.download(MainActivity.java:448)
at com.clov4r.moboplayer.android.rtmp.MainActivity.onCreate(MainActivity.java:72)
at android.app.Activity.performCreate(Activity.java:6877)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1136)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3206)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3349)
at android.app.ActivityThread.access$1100(ActivityThread.java:223)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:7223)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)