SolvedCocoaPods RuntimeError - [Xcodeproj] Unknown object version.


What did you do?

pod init

What did you expect to happen?

Initialize podfile etc.

What happened instead?

An error occurred


RuntimeError - [Xcodeproj] Unknown object version.
/Users/punky/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/xcodeproj-1.5.7/lib/xcodeproj/project.rb:218:in `initialize_from_file'
/Users/punky/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/xcodeproj-1.5.7/lib/xcodeproj/project.rb:103:in `open'
/Users/punky/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/cocoapods-1.5.0/lib/cocoapods/command/init.rb:41:in `validate!'
/Users/punky/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/claide-1.0.2/lib/claide/command.rb:333:in `run'
/Users/punky/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/cocoapods-1.5.0/lib/cocoapods/command.rb:52:in `run'
/Users/punky/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/cocoapods-1.5.0/bin/pod:55:in `<top (required)>'
/Users/punky/.rbenv/versions/2.4.1/bin/pod:23:in `load'
/Users/punky/.rbenv/versions/2.4.1/bin/pod:23:in `<main>'

## CocoaPods Environment
### Stack

CocoaPods : 1.5.0
Ruby : ruby 2.4.1p111 (2017-03-22 revision 58053) [x86_64-darwin16]
RubyGems : 2.7.6
Host : macOS 11.6 (20G165)
Xcode : 13.0 (13A233)
Git : git version 2.24.1
Ruby lib dir : /Users/punky/.rbenv/versions/2.4.1/lib
Repositories : master - @ 5f0e69d664cb8452ef4c0b6ae0ea95ce6d46fc61

### Installation Source

Executable Path: /Users/punky/.rbenv/versions/2.4.1/bin/pod

### Plugins

cocoapods-deintegrate : 1.0.2
cocoapods-plugins : 1.0.0
cocoapods-search : 1.0.0
cocoapods-stats : 1.0.0
cocoapods-trunk : 1.3.0
cocoapods-try : 1.1.0

## Project that demonstrates the issue

โ„น Please link to a project we can download that reproduces the issue.
You can delete this section if your issue is unrelated to build problems,
i.e. it's only an issue with CocoaPods the tool
16 Answers

โœ”๏ธAccepted Answer

you are on a very old version of cocoapods. please update to latest version and also gem update xcodeproj which should support xcode 13.

Other Answers:

you will need to update cocoapods gem too. gem update cocoapods you are on 1.5.0 whereas the latest version is 1.11.2.

More Issues: