NullPointerException

[badoyg]

On many devices
I'm using the latest version of the library but I get this fatal error:

Fatal Exception: java.lang.NullPointerException: Attempt to read from null array
at com.heinrichreimersoftware.materialintro.view.InkPageIndicator.setSelectedPage(InkPageIndicator.java:67)
at com.heinrichreimersoftware.materialintro.view.InkPageIndicator.onPageSelected(InkPageIndicator.java:4)
at com.heinrichreimersoftware.materialintro.view.FadeableViewPager$OnPageChangeListenerWrapper.onPageSelected(FadeableViewPager.java:31)
at androidx.viewpager.widget.ViewPager.dispatchOnPageSelected(ViewPager.java:28)
at androidx.viewpager.widget.ViewPager.setCurrentItemInternal(ViewPager.java:96)
at androidx.viewpager.widget.ViewPager.setCurrentItemInternal(ViewPager.java:3)
at com.heinrichreimersoftware.materialintro.view.SwipeBlockableViewPager.onRestoreInstanceState(SwipeBlockableViewPager.java:29)
at android.view.View.dispatchRestoreInstanceState(View.java:19876)
at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:3860)
at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:3866)
at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:3866)
at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:3866)
at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:3866)
at android.view.View.restoreHierarchyState(View.java:19854)
at com.android.internal.policy.PhoneWindow.restoreHierarchyState(PhoneWindow.java:2188)
at android.app.Activity.onRestoreInstanceState(Activity.java:1567)
at android.app.Activity.performRestoreInstanceState(Activity.java:1522)
at android.app.Instrumentation.callActivityOnRestoreInstanceState(Instrumentation.java:1375)
at android.app.ActivityThread.handleStartActivity(ActivityThread.java:3495)
at android.app.servertransaction.TransactionExecutor.performLifecycleSequence(TransactionExecutor.java:221)
at android.app.servertransaction.TransactionExecutor.cycleToPath(TransactionExecutor.java:201)
at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:173)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
at android.app.ClientTransactionHandler.executeTransaction(ClientTransactionHandler.java:57)
at android.app.ActivityThread.handleRelaunchActivityLocally(ActivityThread.java:5451)
at android.app.ActivityThread.access$3500(ActivityThread.java:233)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2174)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:241)
at android.app.ActivityThread.main(ActivityThread.java:7582)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:941)