之前一切正常，但现在 firebase 似乎无法创建新令牌。我正在尝试打电话await FirebaseMessaging.instance.getToken();，但收到此错误
\nFLTFirebaseMessaging: An error occurred while calling method Messaging#getToken, errorOrNil => {\n NSLocalizedFailureReason = "Too many server requests.";\n}\n[VERBOSE-2:ui_dart_state.cc(199)] Unhandled Exception: [firebase_messaging/unknown] An unknown error has occurred.\n#0 MethodChannelFirebaseMessaging.getToken (package:firebase_messaging_platform_interface/src/method_channel/method_channel_messaging.dart:226:7)\n<asynchronous suspension>\n#1 _SignUpState._sendVerificationCode (package:shuri_parent/src/pages/sign_up.dart:343:25)\n<asynchronous suspension>\n#2 _SignUpState.build.<anonymous closure> (package:shuri_parent/src/pages/sign_up.dart:252:43)\n<asynchronous suspension>\n我在用着firebase_messaging: : ^10.0.9
我的应用程序在生产中被破坏了，我真的需要你们的帮助。
\n这是我的flutter doctor
Doctor summary (to see all details, run flutter doctor -v):\n[\xe2\x9c\x93] Flutter (Channel master, 2.3.0-17.0.pre.121, on Mac OS X 10.15.7 19H1419\n darwin-x64, locale en-RW)\n[\xe2\x9c\x93] Android toolchain - …