Please Solute this bug error

[Thihazawzaw]

java.lang.NullPointerException: Attempt to invoke virtual method 'float android.view.MotionEvent.getX()' on a null object reference
at android.view.View.onTouchEvent(View.java:13738)
at android.support.design.widget.CoordinatorLayout.onTouchEvent(CoordinatorLayout.java:449)
at android.view.View.dispatchTouchEvent(View.java:12527)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3026)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2705)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3032)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2662)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3032)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2662)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3032)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2662)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3032)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2662)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3032)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2662)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3032)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2662)
at com.android.internal.policy.DecorView.superDispatchTouchEvent(DecorView.java:444)
at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1830)
at android.app.Activity.dispatchTouchEvent(Activity.java:3465)
at android.support.v7.internal.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:59)
at android.support.v7.internal.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:59)
at com.android.internal.policy.DecorView.dispatchTouchEvent(DecorView.java:402)
at android.view.View.dispatchPointerEvent(View.java:12768)
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:5218)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:5018)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4533)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4586)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4552)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:4692)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4560)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:4749)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4533)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4586)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4552)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4560)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4533)
at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:7251)
at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:7220)
at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:7181)
at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:7357)
at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:247)
at android.os.MessageQueue.nativePollOnce(Native Method)
at android.os.MessageQueue.next(MessageQueue.java:326)
at android.os.Looper.loop(Looper.java:165)
at android.app.ActivityThread.main(ActivityThread.java:6810)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:873)