I’m trying to initialize CocoaPods in a new iOS project using Xcode 16. When I run pod init, I get the following error:
RuntimeError - `PBXGroup` attempted to initialize an object with unknown ISA `PBXFileSystemSynchronizedRootGroup`
I’ve updated CocoaPods, Xcode, and xcodeproj, but the error still persists. Has anyone else encountered this issue with Xcode 16, and how did you resolve it?
Environment:
• Xcode 16.0
• CocoaPods: 1.15.2
• macOS 15.0
Command
/usr/local/bin/pod init
Stack
CocoaPods : 1.15.2
Ruby : ruby 2.6.10p210 (2022-04-12 revision 67958) [universal.x86_64-darwin24]
RubyGems : 3.0.3.1
Host : macOS 15.0 (24A5331b)
Xcode : 16.0 (16A242)
Git : git version 2.39.5 (Apple Git-154)
Ruby lib dir : /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib
Repositories : trunk - CDN - https://cdn.cocoapods.org/
Error
RuntimeError - `PBXGroup` attempted to initialize an object with unknown ISA `PBXFileSystemSynchronizedRootGroup` from attributes: `{"isa"=>"PBXFileSystemSynchronizedRootGroup", "exceptions"=>["AE97BCA32C917722000D94D0"], "path"=>"tesPlayer", "sourceTree"=>"<group>"}`
If this ISA was generated by Xcode please file an issue: https://github.com/CocoaPods/Xcodeproj/issues/new
- Go to the ios/YOUR_APP_NAME folder.xcodeproj
- Open the project.pbxproj file
- Autocorrect change PBXFileSystemSynchronizedRootGroup to PBX Group
- Save the file, it works
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2
In Xcode, right-click on the folder, select “Convert to Group” from the menu, and then it can be used normally.
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