Was first run wizard model changed?

[pnemonic78]

Caused by java.lang.NullPointerException: Attempt to invoke virtual method 'void com.tech.freak.wizardpager.model.Page.resetData(android.os.Bundle)' on a null object reference
       at com.tech.freak.wizardpager.model.AbstractWizardModel.load(AbstractWizardModel.java:71)
       at org.gnucash.android.ui.wizard.FirstRunWizardActivity.createWizardModel(FirstRunWizardActivity.java:146)
       at org.gnucash.android.ui.wizard.FirstRunWizardActivity.onCreate(FirstRunWizardActivity.java:85)
       at android.app.Activity.performCreate(Activity.java:8290)
       at android.app.Activity.performCreate(Activity.java:8270)
       at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1329)
       at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4085)
       at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4277)
       at android.app.ActivityThread.handleRelaunchActivityInner(ActivityThread.java:6429)
       at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:6294)
       at android.app.servertransaction.ActivityRelaunchItem.execute(ActivityRelaunchItem.java:71)
       at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
       at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
       at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
       at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2443)
       at android.os.Handler.dispatchMessage(Handler.java:106)
       at android.os.Looper.loopOnce(Looper.java:226)
       at android.os.Looper.loop(Looper.java:313)
       at android.app.ActivityThread.main(ActivityThread.java:8751)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:571)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1135)