Android Question [SOLVED with FirebaseAuthPhone 1.8] Problems FirebaseAuthPhoneWrapper B4A 12.0 Beta#2

[scsjc]

I use a https://www.b4x.com/android/forum/threads/firebase-phone-number-authentication.114218/ to verify number register to app.
With the last version B4A 12.0Beta#2 i have a error when execute method: startPhoneNumberVerification

java.lang.NoSuchMethodError: No virtual method verifyPhoneNumber(Ljava/lang/String;JLjava/util/concurrent/TimeUnit;Ljava/util/concurrent/Executor;Lcom/google/firebase/auth/PhoneAuthProvider$OnVerificationStateChangedCallbacks;)V in class Lcom/google/firebase/auth/PhoneAuthProvider; or its super classes (declaration of 'com.google.firebase.auth.PhoneAuthProvider' appears in base.apk!classes5.dex)
    at anywheresoftware.b4a.FirebaseAuthPhone.FirebaseAuthPhoneWrapper.startPhoneNumberVerification(FirebaseAuthPhoneWrapper.java:268)
    at com.oficinadirecta.login$ResumableSub_validatelefono.resume(login.java:6334)
    at anywheresoftware.b4a.shell.DebugResumableSub$DelegatableResumableSub.resumeAsUserSub(DebugResumableSub.java:48)
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
    at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:351)
    at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:146)
    at anywheresoftware.b4a.BA.raiseEvent(BA.java:193)
    at anywheresoftware.b4a.shell.DebugResumableSub$DelegatableResumableSub.resume(DebugResumableSub.java:43)
    at anywheresoftware.b4a.BA.checkAndRunWaitForEvent(BA.java:267)
    at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:139)
    at anywheresoftware.b4a.BA$2.run(BA.java:387)
    at android.os.Handler.handleCallback(Handler.java:873)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:214)
    at android.app.ActivityThread.main(ActivityThread.java:7050)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:494)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:965)

any idea??? thanks