我在终端中升级了 Flutter，无法再像以前一样在模拟器中启动我的应用程序。有很多错误，无论我做什么都没有改善。
\n这是flutter run的输出
\n1 warning generated.\n1 warning generated.\nIn file included from\n/Users/maximilianscheffel/Programming/flutter-firebase-lesson-5/brew_crew/ios/Pods/gRPC-Core/src/core/lib/security/credentials/alts/al\nts_credentials.cc:21:\nIn file included from\n/Users/maximilianscheffel/Programming/flutter-firebase-lesson-5/brew_crew/ios/Pods/gRPC-Core/src/core/lib/security/credentials/alts/al\nts_credentials.h:27:\n/Users/maximilianscheffel/Programming/flutter-firebase-lesson-5/brew_crew/ios/Pods/gRPC-Core/src/core/lib/security/credentials/credent\nials.h:205:15: warning: anonymous non-C-compatible type given name for linkage purposes by typedef declaration; add a tag name here\n[-Wnon-c-typedef-for-linkage]\ntypedef struct {\n ^\n grpc_credentials_mdelem_array\n/Users/maximilianscheffel/Programming/flutter-firebase-lesson-5/brew_crew/ios/Pods/gRPC-Core/src/core/lib/security/credentials/credent\nials.h:206:21: note: type is not C-compatible due to this default member initializer\n grpc_mdelem* md = nullptr;\n ^~~~~~~\n/Users/maximilianscheffel/Programming/flutter-firebase-lesson-5/brew_crew/ios/Pods/gRPC-Core/src/core/lib/security/credentials/credent\nials.h:208:3: note: type is given name 'grpc_credentials_mdelem_array' for linkage purposes by this typedef declaration\n} grpc_credentials_mdelem_array;\n ^\n1 warning generated.\nIn file included from\n/Users/maximilianscheffel/Programming/flutter-firebase-lesson-5/brew_crew/ios/Pods/gRPC-C++/src/cpp/server/secure_server_credentials.c\nc:26:\nIn file included from\n/Users/maximilianscheffel/Programming/flutter-firebase-lesson-5/brew_crew/ios/Pods/gRPC-C++/src/cpp/common/secure_auth_context.h:25:\nIn file included from\n/Users/maximilianscheffel/Programming/flutter-firebase-lesson-5/brew_crew/ios/Pods/gRPC-C++/src/core/lib/security/context/security_con\ntext.h:28:\n/Users/maximilianscheffel/Programming/flutter-firebase-lesson-5/brew_crew/ios/Pods/gRPC-C++/src/core/lib/security/credentials/credenti\nals.h:205:15: …