Android Question Error in firebase auth

I'm having trouble with my firebase auth I follow instructions from the post of Erel but I got error in my case


Sub Process_Globals
Private auth As FirebaseAuth
End Sub

Sub Globals

End Sub

Sub Activity_Create(FirstTime As Boolean)
Activity.LoadLayout("Main")

If FirstTime Then
auth.Initialize("auth")
End If
If auth.CurrentUser.IsInitialized Then Auth_SignedIn(auth.CurrentUser)
End Sub

Sub Activity_Resume

End Sub

Sub Activity_Pause (UserClosed As Boolean)

End Sub

Sub Auth_SignedIn (User As FirebaseUser)
Log("SignedIn: " & User.DisplayName)
End Sub

and this is the error


Logger connected to: 116517045V000717
--------- beginning of main
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create (first time) **
main_activity_create (java line: 357)
android.content.res.Resources$NotFoundException: String resource ID #0x0
at android.content.res.Resources.getText(Resources.java:453)
at android.content.res.Resources.getString(Resources.java:546)
at anywheresoftware.b4a.objects.FirebaseAuthWrapper.Initialize(FirebaseAuthWrapper.java:82)
at ssg.project.main._activity_create(main.java:357)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:221)
at ssg.project.main.afterFirstLayout(main.java:105)
at ssg.project.main.access$000(main.java:17)
at ssg.project.main$WaitForLayout.run(main.java:83)
at android.os.Handler.handleCallback(Handler.java:942)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loopOnce(Looper.java:201)
at android.os.Looper.loop(Looper.java:288)
at android.app.ActivityThread.main(ActivityThread.java:8194)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:703)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:911)


can someone help me?