[Flutter] Unhandled Exception: [firebase_auth/invalid-credential] Invalid OAuth response from...

Apple Sign In Error

I recently had the problem that Apple Sign In didn't work in my Flutter Application. I put in my Apple ID and Password and it looked like it worked, but in the console I got the following error:

Console Output

[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: [firebase_auth/invalid-credential] Invalid OAuth response from apple.com
#0 FirebaseAuthHostApi.signInWithCredential (package:firebase_auth_platform_interface/src/pigeon/messages.pigeon.dart:1098:7)
<asynchronous suspension>
#1 MethodChannelFirebaseAuth.signInWithCredential (package:firebase_auth_platform_interface/src/method_channel/method_channel_firebase_auth.dart:306:22)
<asynchronous suspension>
#2 FirebaseAuth.signInWithCredential (package:firebase_auth/src/firebase_auth.dart:515:9)
<asynchronous suspension>
#3 AuthService.signInWithApple (packagearkbestapp/services/auth_service.dart:73:9)
<asynchronous suspension>

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