Android Question android.content.res.Resources$NotFoundException: String resource ID #0x0

Please Help me.
I have an error with firebase auth.
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
main_activity_create (java line: 345)
android.content.res.Resources$NotFoundException: String resource ID #0x0
at android.content.res.Resources.getText(Resources.java:1484)
at android.content.res.Resources.getString(Resources.java:1580)
at anywheresoftware.b4a.objects.FirebaseAuthWrapper.Initialize(FirebaseAuthWrapper.java:66)
at sic.pushnotifi.main._activity_create(main.java:345)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:196)
at sic.pushnotifi.main.afterFirstLayout(main.java:104)
at sic.pushnotifi.main.access$000(main.java:17)
at sic.pushnotifi.main$WaitForLayout.run(main.java:82)
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:7406)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)





Mi sdk is 28.
the code is:

If FirstTime Then
auth.Initialize("auth")
End If
Activity.LoadLayout("1")

If auth.CurrentUser.IsInitialized Then
Auth_SignedIn(auth.CurrentUser)
Else
Msgbox("conecting error " ,"Firebase")
End If
Thanks.