Strange error! - java.lang.ClassCastException

[VahidGarousi]

java.lang.ClassCastException: androidx.appcompat.widget.AppCompatTextView cannot be cast to com.alirezaafkar.sundatepicker.components.SquareTextView at com.alirezaafkar.sundatepicker.adapters.MonthAdapter$ViewHolder.<init>(MonthAdapter.java:131) at com.alirezaafkar.sundatepicker.adapters.MonthAdapter.onCreateViewHolder(MonthAdapter.java:65) at com.alirezaafkar.sundatepicker.adapters.MonthAdapter.onCreateViewHolder(MonthAdapter.java:19) at androidx.recyclerview.widget.RecyclerView$Adapter.createViewHolder(RecyclerView.java:6794) at androidx.recyclerview.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline(RecyclerView.java:5975) at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5858) at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5854) at androidx.recyclerview.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2230) at androidx.recyclerview.widget.GridLayoutManager.layoutChunk(GridLayoutManager.java:557) at androidx.recyclerview.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1517) at androidx.recyclerview.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:612) at androidx.recyclerview.widget.GridLayoutManager.onLayoutChildren(GridLayoutManager.java:171) at androidx.recyclerview.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3924) at androidx.recyclerview.widget.RecyclerView.dispatchLayout(RecyclerView.java:3641) at androidx.recyclerview.widget.RecyclerView.onLayout(RecyclerView.java:4194) at android.view.View.layout(View.java:20967) at android.view.ViewGroup.layout(ViewGroup.java:6440) at androidx.viewpager.widget.ViewPager.onLayout(ViewPager.java:1775) at android.view.View.layout(View.java:20967) at android.view.ViewGroup.layout(ViewGroup.java:6440) at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1083) at android.view.View.layout(View.java:20967) at android.view.ViewGroup.layout(ViewGroup.java:6440) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323) at android.widget.FrameLayout.onLayout(FrameLayout.java:261) at android.view.View.layout(View.java:20967) at android.view.ViewGroup.layout(ViewGroup.java:6440) at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1083) at android.view.View.layout(View.java:20967) at android.view.ViewGroup.layout(ViewGroup.java:6440) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323) at android.widget.FrameLayout.onLayout(FrameLayout.java:261) at android.view.View.layout(View.java:20967) at android.view.ViewGroup.layout(ViewGroup.java:6440) at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1791) at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1635) at android.widget.LinearLayout.onLayout(LinearLayout.java:1544) at android.view.View.layout(View.java:20967) at android.view.ViewGroup.layout(ViewGroup.java:6440) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323) at android.widget.FrameLayout.onLayout(FrameLayout.java:261) at com.android.internal.policy.DecorView.onLayout(DecorView.java:955) at android.view.View.layout(View.java:20967) at android.view.ViewGroup.layout(ViewGroup.java:6440) at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:3092) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2779) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1863) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:8072) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:911) at android.view.Choreographer.doCallbacks(Choreographer.java:723) at android.view.Choreographer.doFrame(Choreographer.java:658) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:897) at android.os.Handler.handleCallback(Handler.java:790) at android.os.Handler.dispatchMessage(Handler.java:99) 2019-10-17 10:17:00.810 9333-9333/ir.vahidgarousi.app.hellalarm E/AndroidRuntime: at android.os.Looper.loop(Looper.java:164) at android.app.ActivityThread.main(ActivityThread.java:7000) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:441) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1408)