Crashing the app due to filter error

[ghost]

Please fix in the code.

Caused by java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setFilters(android.text.InputFilter[])' on a null object reference
at com.cooltechworks.creditcarddesign.pager.CardCVVFragment.setMaxCVV(CardCVVFragment.java:69)
at com.cooltechworks.creditcarddesign.pager.CardFragmentAdapter.setMaxCVV(CardFragmentAdapter.java:92)
at com.cooltechworks.creditcarddesign.CardEditActivity.checkParams(CardEditActivity.java:102)
at com.cooltechworks.creditcarddesign.CardEditActivity.onRestoreInstanceState(CardEditActivity.java:207)
at android.app.Activity.performRestoreInstanceState(Activity.java:1015)
at android.app.Instrumentation.callActivityOnRestoreInstanceState(Instrumentation.java:1175)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2735)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2823)
at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:4655)
at android.app.ActivityThread.-wrap19(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1551)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6349)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:893)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:783)