pod inti 报错如下：
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### Command
```
/usr/local/bin/pod init
```
### Report
* What did you do?
* What did you expect to happen?
* What happened instead?
### Stack
```
CocoaPods : 1.9.3
Ruby : ruby 2.6.8p205 (2021-07-07 revision 67951) [universal.x86_64-darwin21]
RubyGems : 3.0.3.1
Host : macOS 12.3.1 (21E258)
Xcode : 13.3.1 (13E500a)
Git : git version 2.32.0 (Apple Git-132)
Ruby lib dir : /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib
Repositories : master - git - https://github.com/CocoaPods/Specs.git @ b5bb25dc218c20e2c23aae2d572b8bc6c3d2fca4
trunk - CDN - https://cdn.cocoapods.org/
```
### Plugins
```
cocoapods-deintegrate : 1.0.4
cocoapods-plugins : 1.0.0
cocoapods-search : 1.0.0
cocoapods-stats : 1.1.0
cocoapods-trunk : 1.5.0
cocoapods-try : 1.2.0
```
### Error
```
RuntimeError - [Xcodeproj] Unknown object version.
/Library/Ruby/Gems/2.6.0/gems/xcodeproj-1.17.1/lib/xcodeproj/project.rb:227:in `initialize_from_file'
/Library/Ruby/Gems/2.6.0/gems/xcodeproj-1.17.1/lib/xcodeproj/project.rb:112:in `open'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.3/lib/cocoapods/command/init.rb:41:in `validate!'
/Library/Ruby/Gems/2.6.0/gems/claide-1.0.3/lib/claide/command.rb:333:in `run'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.3/lib/cocoapods/command.rb:52:in `run'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.3/bin/pod:55:in `<top (required)>'
/usr/local/bin/pod:23:in `load'
/usr/local/bin/pod:23:in `<main>'
```
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[!] Oh no, an error occurred.
Search for existing GitHub issues similar to yours:
https://github.com/CocoaPods/CocoaPods/search?q=%5BXcodeproj%5D+Unknown+object+version.&type=Issues
If none exists, create a ticket, with the template displayed above, on:
https://github.com/CocoaPods/CocoaPods/issues/new
Be sure to first read the contributing guide for details on how to properly submit a ticket:
https://github.com/CocoaPods/CocoaPods/blob/master/CONTRIBUTING.md
Don't forget to anonymize any private data!
Looking for related issues on cocoapods/cocoapods...
- RuntimeError - [Xcodeproj] Unknown object version.
https://github.com/CocoaPods/CocoaPods/issues/7458 [closed] [24 comments]
25 Jun 2022
- An error occurred when executing pod init
https://github.com/CocoaPods/CocoaPods/issues/11434 [closed] [2 comments]
12 hours ago
- CMake generated project is unable to find Pods framework during linkage
https://github.com/CocoaPods/CocoaPods/issues/10676 [open] [23 comments]
25 Jan 2022
and 77 more at:
https://github.com/cocoapods/cocoapods/search?q=%5BXcodeproj%5D%20Unknown%20object%20version.&type=Issues&utf8=✓
解决方案：
在命令行复制粘贴一下命令：
gem install cocoapods --pre --user
enter之后更新cocoapods成功之后，再次pod init 就成功啦。
