NullPointerException in fillLeft method

[riggaroo]

Hi,
I have been receiving a few crashes from crashlytics recently in the TwoWayGridView, which I cannot seem to reproduce:
Stacktrace:

java.lang.NullPointerException
at com.jess.ui.TwoWayGridView$HorizontalGridBuilder.fillLeft()
at com.jess.ui.TwoWayGridView$HorizontalGridBuilder.makeAndAddView()
at com.jess.ui.TwoWayGridView.lookForSelectablePosition()
at com.jess.ui.TwoWayAbsListView$HorizontalTouchHandler.getFlingRunnable()
at com.jess.ui.TwoWayAbsListView$HorizontalTouchHandler$HorizontalFlingRunnable.run()
at android.os.Handler.handleCallback(Handler.java:725)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5306)
at java.lang.reflect.Method.invokeNative(Method.java)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1102)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:869)
at dalvik.system.NativeStart.main(NativeStart.java)

[ShoaibKakal]

it occurs when a variable is accessed which is not pointing to any object and refers to nothing or null.