我尝试在 IOS 平台上运行 flutter 应用程序，它显示一个错误并且该错误无法修复它。
它工作正常，我尝试添加 firebase，从那时起我收到此错误。
输出：
elamparithibalakrishnan@Elamparithis-MacBook-Pro ios % flutter run
Changing current working directory to: /Users/elamparithibalakrishnan/AndroidStudioProjects/quizi_mobile_app
Multiple devices found:
AOSP on IA Emulator (mobile) • emulator-5554 • android-x86 • Android 9 (API 28) (emulator)
iPhone 12 Pro Max (mobile) • 1E0E6387-F349-4ECA-9858-385698232158 • ios • com.apple.CoreSimulator.SimRuntime.iOS-14-4 (simulator)
Chrome (web) • chrome • web-javascript • Google Chrome 89.0.4389.82
[1]: AOSP on IA Emulator (emulator-5554)
[2]: iPhone 12 Pro Max (1E0E6387-F349-4ECA-9858-385698232158)
[3]: Chrome (chrome)
Please choose one (To quit, press "q/Q"): 2
Running "flutter pub get" in quizi_mobile_app... 1,214ms
Launching lib/main.dart on iPhone 12 Pro Max in debug mode...
Running pod install... 7.4s
Running Xcode build...
Xcode build done. 71.3s
Failed to build iOS app
Error output from Xcode build:
↳
** BUILD FAILED **
Xcode's output:
↳
Command PhaseScriptExecution failed with a nonzero exit code
note: Using new build system
note: Building targets in parallel
note: Planning build
note: Constructing build description
warning: Capabilities for Signing & Capabilities may not function correctly because its entitlements use a placeholder team ID. To resolve this, select a
development team in the Runner editor. (in target 'Runner' from project 'Runner')
Could not build the application for the simulator.
Error launching application on iPhone 12 Pro Max.
颤振医生：
elamparithibalakrishnan@Elamparithis-MacBook-Pro ios % flutter doctor -v
[✓] Flutter (Channel master, 2.1.0-11.0.pre.229, on macOS 11.2 20D64 darwin-x64, locale en-GB)
• Flutter version 2.1.0-11.0.pre.229 at /Users/elamparithibalakrishnan/Desktop/flutter
• Framework revision d20ec4c7d8 (5 hours ago), 2021-03-11 22:18:51 -0800
• Engine revision 1b68503bc8
• Dart version 2.13.0 (build 2.13.0-125.0.dev)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
• Android SDK at /Users/elamparithibalakrishnan/Library/Android/sdk
• Platform android-30, build-tools 30.0.3
• Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 12.4, Build version 12D4e
• CocoaPods version 1.10.1
[✓] Chrome - develop for the web
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Android Studio (version 4.1)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin can be installed from:
? https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
? https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)
[✓] Connected device (3 available)
• AOSP on IA Emulator (mobile) • emulator-5554 • android-x86 • Android 9 (API 28) (emulator)
• iPhone 12 Pro Max (mobile) • 1E0E6387-F349-4ECA-9858-385698232158 • ios • com.apple.CoreSimulator.SimRuntime.iOS-14-4 (simulator)
• Chrome (web) • chrome • web-javascript • Google Chrome 89.0.4389.82
• No issues found!
我无法找到确切的问题。
有人可以帮我解决这个问题吗？
答案 0 :(得分：2)
warning: Capabilities for Signing & Capabilities may not function correctly because its entitlements use a placeholder team ID. To resolve this, select a
development team in the Runner editor. (in target 'Runner' from project 'Runner')
您必须在 xcode worspace 文件中选择一个开发团队 ID，然后重新运行它。