RuntimeError - PBXGroup attempted to initialize an object with unknown ISA PBXFileSystemSynchronizedRootGroup from attributes: {"isa"=>"PBXFileSystemSynchronizedRootGroup", "explicitFileTypes"=>{}, "explicitFolders"=>[], "path"=>"AppIntents", "sourceTree"=>"<group>"}

[SachinCodeMatrix]

RuntimeError - PBXGroup attempted to initialize an object with unknown ISA PBXFileSystemSynchronizedRootGroup from attributes: {"isa"=>"PBXFileSystemSynchronizedRootGroup", "explicitFileTypes"=>{}, "explicitFolders"=>[], "path"=>"AppIntents", "sourceTree"=>"<group>"}
If this ISA was generated by Xcode please file an issue: https://github.com/CocoaPods/Xcodeproj/issues/new
/Library/Ruby/Gems/2.6.0/gems/xcodeproj-1.24.0/lib/xcodeproj/project/object.rb:359:in rescue in object_with_uuid' /Library/Ruby/Gems/2.6.0/gems/xcodeproj-1.24.0/lib/xcodeproj/project/object.rb:349:in object_with_uuid'
/Library/Ruby/Gems/2.6.0/gems/xcodeproj-1.24.0/lib/xcodeproj/project/object.rb:300:in block (2 levels) in configure_with_plist' /Library/Ruby/Gems/2.6.0/gems/xcodeproj-1.24.0/lib/xcodeproj/project/object.rb:299:in each'
/Library/Ruby/Gems/2.6.0/gems/xcodeproj-1.24.0/lib/xcodeproj/project/object.rb:299:in `block in configure_with_plist'

[Brett-Best]

I've rushed some WIP support for this here #942.

[amorde]

This is fixed by #985 and shipped in 1.26.0