Xcode 14 新建项目无法pod 报错

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http://www.licqi.com/artikel/11110.html

问题：Xcode 14 创建的新项目，无法进行Pod install。

报错如下：

[!] Oh no, an error occurred.

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Looking for related issues on cocoapods/cocoapods...
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   https://github.com/CocoaPods/CocoaPods/issues/11656 [open] [19 comments]
   a week ago

 - pod init after update it to XCODE 14
   https://github.com/CocoaPods/CocoaPods/issues/11546 [open] [21 comments]
   2 weeks ago

 - 'pod init' and 'pod install' both fail with "can't modify frozen String (FrozenError)"
   https://github.com/CocoaPods/CocoaPods/issues/11594 [closed] [4 comments]
   3 days ago

end
```

### Error

```
RuntimeError - [Xcodeproj] Unknown object version (56).
/Users/zst01/.rvm/rubies/ruby-3.0.0/lib/ruby/gems/3.0.0/gems/xcodeproj-1.21.0/lib/xcodeproj/project.rb:228:in `initialize_from_file'
/Users/zst01/.rvm/rubies/ruby-3.0.0/lib/ruby/gems/3.0.0/gems/xcodeproj-1.21.0/lib/xcodeproj/project.rb:113:in `open'
........

提示： Unknown object version (56) --未知对象版本（56）

解决：如何修改compatibilityVersion呢？可以通过 Project Format，可以暂时将Project Format：

Xcode 14.0-compatible改为Xcode 13.0-compatible

如图：

原因：

是版本不匹配导致的，应该和升级Xcode 14有关系。

in `initialize_from_file': [Xcodeproj] Unknown object version (56). (RuntimeError)

但是官方还没有给出解决方案。应该后续会有兼容的cocoapods 新版本。
通过与老项目对比发现是compatibilityVersion Xcode 兼容版本不一致，那么我们就可以将这个版本修改到低版本试试

Xcode 14 新建项目无法pod 报错

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