Process: example.phoneauth.firebase.with.smsverificationapi, PID: 30674
    java.lang.RuntimeException: Error receiving broadcast Intent { act=com.google.android.gms.auth.api.phone.SMS_RETRIEVED flg=0x200010 pkg=example.phoneauth.firebase.with.smsverificationapi (has extras) } in com.google.android.gms.internal.firebase-auth-api.zzvq@4a1cf48
        at android.app.LoadedApk$ReceiverDispatcher$Args.lambda$getRunnable$0(LoadedApk.java:1407)
        at android.app.-$$Lambda$LoadedApk$ReceiverDispatcher$Args$_BumDX2UKsnxLVrE6UJsJZkotuA.run(Unknown Source:2)
        at android.os.Handler.handleCallback(Handler.java:873)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:201)
        at android.app.ActivityThread.main(ActivityThread.java:6810)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:873)
     Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'int java.lang.CharSequence.length()' on a null object reference
        at java.util.regex.Matcher.reset(Matcher.java:1059)
        at java.util.regex.Matcher.<init>(Matcher.java:187)
        at java.util.regex.Pattern.matcher(Pattern.java:1010)
        at com.google.android.gms.internal.firebase-auth-api.zzvs.zzf(com.google.firebase:firebase-auth@@20.0.2:1)
        at com.google.android.gms.internal.firebase-auth-api.zzvq.onReceive(com.google.firebase:firebase-auth@@20.0.2:8)
        at android.app.LoadedApk$ReceiverDispatcher$Args.lambda$getRunnable$0(LoadedApk.java:1397)