我正在尝试制作一个 flutter 插件，所以我通过https://flutter.dev/docs/development/packages-and-plugins/developing-packages 上提供的步骤创建了一个插件。当我尝试运行 ios 示例时出现错误。下面是我在运行 ios 示例应用程序时得到的日志。
谁能帮我这个？
Running pod install...
CocoaPods' output:
Analyzing dependencies
Inspecting targets to integrate
Using `ARCHS` setting to build architectures of target `Pods-Runner`: (``)
Fetching external sources
-> Fetching podspec for `Flutter` from `.symlinks/flutter/ios`
-> Fetching podspec for `flutter_plugin` from `.symlinks/plugins/flutter_plugin/ios`
Resolving dependencies of `Podfile`
Comparing resolved specification to the sandbox manifest
A Flutter
A flutter_plugin
Downloading dependencies
-> Installing Flutter (1.0.0)
-> Installing flutter_plugin (0.0.1)
- Running pre-install hooks
[!] Unable …