Cбои андроид приложения java.lang.RuntimeException

Несколько сбоев было но не могу понять изза чего. Взгляните:

java.lang.RuntimeException: 
  at android.view.DisplayListCanvas.throwIfCannotDraw (DisplayListCanvas.java:260)
  at android.graphics.Canvas.drawBitmap (Canvas.java:1420)
  at android.graphics.drawable.BitmapDrawable.draw (BitmapDrawable.java:545)
  at android.widget.ImageView.onDraw (ImageView.java:1286)
  at android.view.View.draw (View.java:18318)
  at android.view.View.updateDisplayListIfDirty (View.java:17296)
  at android.view.View.draw (View.java:18080)
  at android.view.ViewGroup.drawChild (ViewGroup.java:3966)
  at android.view.ViewGroup.dispatchDraw (ViewGroup.java:3752)
  at android.view.View.updateDisplayListIfDirty (View.java:17291)
  at android.view.View.draw (View.java:18080)
  at android.view.ViewGroup.drawChild (ViewGroup.java:3966)
  at android.view.ViewGroup.dispatchDraw (ViewGroup.java:3752)
  at android.view.View.draw (View.java:18321)
  at android.view.View.updateDisplayListIfDirty (View.java:17296)
  at android.view.View.draw (View.java:18080)
  at android.view.ViewGroup.drawChild (ViewGroup.java:3966)
  at android.support.v7.widget.RecyclerView.drawChild (RecyclerView.java:4581)
  at android.view.ViewGroup.dispatchDraw (ViewGroup.java:3752)
  at android.view.View.draw (View.java:18321)
  at android.support.v7.widget.RecyclerView.draw (RecyclerView.java:3987)
  at android.view.View.updateDisplayListIfDirty (View.java:17296)
  at android.view.View.draw (View.java:18080)
  at android.view.ViewGroup.drawChild (ViewGroup.java:3966)
  at android.view.ViewGroup.dispatchDraw (ViewGroup.java:3752)
  at android.view.View.updateDisplayListIfDirty (View.java:17291)
  at android.view.View.draw (View.java:18080)
  at android.view.ViewGroup.drawChild (ViewGroup.java:3966)
  at android.view.ViewGroup.dispatchDraw (ViewGroup.java:3752)
  at android.view.View.draw (View.java:18321)
  at android.view.View.updateDisplayListIfDirty (View.java:17296)
  at android.view.View.draw (View.java:18080)
  at android.view.ViewGroup.drawChild (ViewGroup.java:3966)
  at android.support.design.widget.CoordinatorLayout.drawChild (CoordinatorLayout.java:1229)
  at android.view.ViewGroup.dispatchDraw (ViewGroup.java:3752)
  at android.view.View.updateDisplayListIfDirty (View.java:17291)
  at android.view.View.draw (View.java:18080)
  at android.view.ViewGroup.drawChild (ViewGroup.java:3966)
  at android.support.design.widget.CoordinatorLayout.drawChild (CoordinatorLayout.java:1229)
  at android.view.ViewGroup.dispatchDraw (ViewGroup.java:3752)
  at android.view.View.updateDisplayListIfDirty (View.java:17291)
  at android.view.View.draw (View.java:18080)
  at android.view.ViewGroup.drawChild (ViewGroup.java:3966)
  at android.support.v4.widget.DrawerLayout.drawChild (DrawerLayout.java:1366)
  at android.view.ViewGroup.dispatchDraw (ViewGroup.java:3752)
  at android.view.View.draw (View.java:18321)
  at android.view.View.updateDisplayListIfDirty (View.java:17296)
  at android.view.View.draw (View.java:18080)
  at android.view.ViewGroup.drawChild (ViewGroup.java:3966)
  at android.view.ViewGroup.dispatchDraw (ViewGroup.java:3752)
  at android.view.View.updateDisplayListIfDirty (View.java:17291)
  at android.view.View.draw (View.java:18080)
  at android.view.ViewGroup.drawChild (ViewGroup.java:3966)
  at android.view.ViewGroup.dispatchDraw (ViewGroup.java:3752)
  at android.view.View.updateDisplayListIfDirty (View.java:17291)
  at android.view.View.draw (View.java:18080)
  at android.view.ViewGroup.drawChild (ViewGroup.java:3966)
  at android.view.ViewGroup.dispatchDraw (ViewGroup.java:3752)
  at android.view.View.updateDisplayListIfDirty (View.java:17291)
  at android.view.View.draw (View.java:18080)
  at android.view.ViewGroup.drawChild (ViewGroup.java:3966)
  at android.view.ViewGroup.dispatchDraw (ViewGroup.java:3752)
  at android.view.View.updateDisplayListIfDirty (View.java:17291)
  at android.view.View.draw (View.java:18080)
  at android.view.ViewGroup.drawChild (ViewGroup.java:3966)
  at android.view.ViewGroup.dispatchDraw (ViewGroup.java:3752)
  at android.view.View.draw (View.java:18321)
  at com.android.internal.policy.DecorView.draw (DecorView.java:919)
  at android.view.View.updateDisplayListIfDirty (View.java:17296)
  at android.view.ThreadedRenderer.updateViewTreeDisplayList (ThreadedRenderer.java:692)
  at android.view.ThreadedRenderer.updateRootDisplayList (ThreadedRenderer.java:698)
  at android.view.ThreadedRenderer.draw (ThreadedRenderer.java:806)
  at android.view.ViewRootImpl.draw (ViewRootImpl.java:3128)
  at android.view.ViewRootImpl.performDraw (ViewRootImpl.java:2924)
  at android.view.ViewRootImpl.performTraversals (ViewRootImpl.java:2516)
  at android.view.ViewRootImpl.doTraversal (ViewRootImpl.java:1515)
  at android.view.ViewRootImpl$TraversalRunnable.run (ViewRootImpl.java:7091)
  at android.view.Choreographer$CallbackRecord.run (Choreographer.java:927)
  at android.view.Choreographer.doCallbacks (Choreographer.java:702)
  at android.view.Choreographer.doFrame (Choreographer.java:638)
  at android.view.Choreographer$FrameDisplayEventReceiver.run (Choreographer.java:913)
  at android.os.Handler.handleCallback (Handler.java:751)
  at android.os.Handler.dispatchMessage (Handler.java:95)
  at android.os.Looper.loop (Looper.java:154)
  at android.app.ActivityThread.main (ActivityThread.java:6682)
  at java.lang.reflect.Method.invoke (Native Method)
  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:1520)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1410)

что это может быть?