App Crash.

[YYYSSSHHH]

Environment Info：
APK Version: 1.13.2 (191)
Android version: 6.0.1

Crash One:
1.Click the "Varify my number now " button, and then app will crash.

Crash Two:
1.Click the "Manual number verification " button.
2.Click the "Request verification SMS" button, and then app will crash.

The Stack Trace:
FATAL EXCEPTION: main
Process: org.lumicall.android, PID: 20314
java.lang.NullPointerException: Attempt to invoke virtual method 'long com.google.i18n.phonenumbers.Phonenumber$PhoneNumber.getNationalNumber()' on a null object reference
at com.google.i18n.phonenumbers.PhoneNumberUtil.format(PhoneNumberUtil.java:1034)
at org.lumicall.android.sip.ManualVerification$1.onClick(ManualVerification.java:109)
at android.view.View.performClick(View.java:5204)
at android.view.View$PerformClick.run(View.java:21153)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5539)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:745)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:635)
at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:107)

Do you confirm this bug? Thank you.