iOS cocoapods pod FrozenError and RuntimeError

0x00 报错日志

/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/user_interface/error_report.rb:34:in `force_encoding': can't modify frozen String (FrozenError)
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/user_interface/error_report.rb:34:in `report'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/command.rb:66:in `report_error'
	from /Library/Ruby/Gems/2.6.0/gems/claide-1.0.3/lib/claide/command.rb:396:in `handle_exception'
	from /Library/Ruby/Gems/2.6.0/gems/claide-1.0.3/lib/claide/command.rb:337:in `rescue in run'
	from /Library/Ruby/Gems/2.6.0/gems/claide-1.0.3/lib/claide/command.rb:324:in `run'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/command.rb:52:in `run'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/bin/pod:55:in `<top (required)>'
	from /usr/local/bin/pod:23:in `load'
	from /usr/local/bin/pod:23:in `<main>'
/Library/Ruby/Gems/2.6.0/gems/xcodeproj-1.22.0/lib/xcodeproj/project.rb:228:in `initialize_from_file': [Xcodeproj] Unknown object version (60). (RuntimeError)
	from /Library/Ruby/Gems/2.6.0/gems/xcodeproj-1.22.0/lib/xcodeproj/project.rb:113:in `open'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/installer/analyzer.rb:1194:in `block (2 levels) in inspect_targets_to_integrate'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/installer/analyzer.rb:1193:in `each'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/installer/analyzer.rb:1193:in `block in inspect_targets_to_integrate'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/user_interface.rb:64:in `section'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/installer/analyzer.rb:1188:in `inspect_targets_to_integrate'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/installer/analyzer.rb:107:in `analyze'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/installer.rb:422:in `analyze'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/installer.rb:244:in `block in resolve_dependencies'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/user_interface.rb:64:in `section'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/installer.rb:243:in `resolve_dependencies'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/installer.rb:162:in `install!'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/command/install.rb:52:in `run'
	from /Library/Ruby/Gems/2.6.0/gems/claide-1.0.3/lib/claide/command.rb:334:in `run'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/lib/cocoapods/command.rb:52:in `run'
	from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.12.0/bin/pod:55:in `<top (required)>'
	from /usr/local/bin/pod:23:in `load'
	from /usr/local/bin/pod:23:in `<main>'

0x01 处理办法

1、更新 CocoaPods 到与 Xcode 兼容的版本。

命令：sudo gem install cocoapods

2、清理 CocoaPods 缓存

命令：pod cache clean --all

都不行！

凭我多年的经验，我修改了一下这个地方，居然没报错了！

• 右键 xxx.xcodeproj，显示包内容
• 打开 project.pbxproj
• 把 objectVersion 对应的数值，修改得低一点
• 再尝试 pod install

搞定！完美！