I got the java.lang.IllegalArgumentException:

java.lang.IllegalArgumentException:
at com.squareup.picasso.Picasso.load (Picasso.java:297)
at com.daimajia.slider.library.SliderTypes.BaseSliderView.bindEventAndShow (BaseSliderView.java:213)
at com.daimajia.slider.library.SliderTypes.TextSliderView.getView (TextSliderView.java:25)
at com.daimajia.slider.library.SliderAdapter.instantiateItem (SliderAdapter.java:81)
at com.daimajia.slider.library.Tricks.InfinitePagerAdapter.instantiateItem (InfinitePagerAdapter.java:54)
at com.daimajia.slider.library.Tricks.ViewPagerEx.addNewItem (ViewPagerEx.java:848)
at com.daimajia.slider.library.Tricks.ViewPagerEx.populate (ViewPagerEx.java:998)
at com.daimajia.slider.library.Tricks.ViewPagerEx.populate (ViewPagerEx.java:930)
at com.daimajia.slider.library.Tricks.ViewPagerEx.onMeasure (ViewPagerEx.java:1453)
at android.view.View.measure (View.java:17555)
at android.widget.RelativeLayout.measureChildHorizontal (RelativeLayout.java:728)
at android.widget.RelativeLayout.onMeasure (RelativeLayout.java:464)
at android.view.View.measure (View.java:17555)
at android.widget.RelativeLayout.measureChildHorizontal (RelativeLayout.java:728)
at android.widget.RelativeLayout.onMeasure (RelativeLayout.java:464)
at android.view.View.measure (View.java:17555)
at android.widget.RelativeLayout.measureChildHorizontal (RelativeLayout.java:728)
at android.widget.RelativeLayout.onMeasure (RelativeLayout.java:464)
at android.view.View.measure (View.java:17555)
at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:5539)
at android.widget.LinearLayout.measureChildBeforeLayout (LinearLayout.java:1436)
at android.widget.LinearLayout.measureVertical (LinearLayout.java:722)
at android.widget.LinearLayout.onMeasure (LinearLayout.java:613)
at android.view.View.measure (View.java:17555)
at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:5539)
at android.widget.FrameLayout.onMeasure (FrameLayout.java:436)
at android.support.v7.widget.CardView.onMeasure (CardView.java:211)
at android.view.View.measure (View.java:17555)
at android.widget.RelativeLayout.measureChildHorizontal (RelativeLayout.java:728)
at android.widget.RelativeLayout.onMeasure (RelativeLayout.java:464)
at android.view.View.measure (View.java:17555)
at android.support.v7.widget.RecyclerView$LayoutManager.measureChildWithMargins (RecyclerView.java:8636)
at android.support.v7.widget.LinearLayoutManager.layoutChunk (LinearLayoutManager.java:1577)
at android.support.v7.widget.LinearLayoutManager.fill (LinearLayoutManager.java:1511)
at android.support.v7.widget.LinearLayoutManager.onLayoutChildren (LinearLayoutManager.java:595)
at android.support.v7.widget.RecyclerView.dispatchLayoutStep2 (RecyclerView.java:3583)
at android.support.v7.widget.RecyclerView.onMeasure (RecyclerView.java:3025)
at android.view.View.measure (View.java:17555)
at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:5539)
at android.support.design.widget.CoordinatorLayout.onMeasureChild (CoordinatorLayout.java:714)
at android.support.design.widget.CoordinatorLayout.onMeasure (CoordinatorLayout.java:786)
at android.view.View.measure (View.java:17555)
at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:5539)
at android.support.design.widget.CoordinatorLayout.onMeasureChild (CoordinatorLayout.java:714)
at android.support.design.widget.CoordinatorLayout.onMeasure (CoordinatorLayout.java:786)
at android.view.View.measure (View.java:17555)
at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:5539)
at android.widget.FrameLayout.onMeasure (FrameLayout.java:436)
at android.support.v7.widget.ContentFrameLayout.onMeasure (ContentFrameLayout.java:139)
at android.view.View.measure (View.java:17555)
at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:5539)
at android.widget.LinearLayout.measureChildBeforeLayout (LinearLayout.java:1436)
at android.widget.LinearLayout.measureVertical (LinearLayout.java:722)
at android.widget.LinearLayout.onMeasure (LinearLayout.java:613)
at android.view.View.measure (View.java:17555)
at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:5539)
at android.widget.FrameLayout.onMeasure (FrameLayout.java:436)
at android.view.View.measure (View.java:17555)
at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:5539)
at android.widget.LinearLayout.measureChildBeforeLayout (LinearLayout.java:1436)
at android.widget.LinearLayout.measureVertical (LinearLayout.java:722)
at android.widget.LinearLayout.onMeasure (LinearLayout.java:613)
at android.view.View.measure (View.java:17555)
at android.view.ViewGroup.measureChildWithMargins (ViewGroup.java:5539)
at android.widget.FrameLayout.onMeasure (FrameLayout.java:436)
at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure (PhoneWindow.java:2615)
at android.view.View.measure (View.java:17555)
at android.view.ViewRootImpl.performMeasure (ViewRootImpl.java:2027)
at android.view.ViewRootImpl.measureHierarchy (ViewRootImpl.java:1185)
at android.view.ViewRootImpl.performTraversals (ViewRootImpl.java:1391)
at android.view.ViewRootImpl.doTraversal (ViewRootImpl.java:1073)
at android.view.ViewRootImpl$TraversalRunnable.run (ViewRootImpl.java:5903)
at android.view.Choreographer$CallbackRecord.run (Choreographer.java:773)
at android.view.Choreographer.doCallbacks (Choreographer.java:586)
at android.view.Choreographer.doFrame (Choreographer.java:556)
at android.view.Choreographer$FrameDisplayEventReceiver.run (Choreographer.java:759)
at android.os.Handler.handleCallback (Handler.java:739)
at android.os.Handler.dispatchMessage (Handler.java:95)
at android.os.Looper.loop (Looper.java:135)
at android.app.ActivityThread.main (ActivityThread.java:5254)
at java.lang.reflect.Method.invoke (Native Method)
at java.lang.reflect.Method.invoke (Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:902)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:697)