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    Home»iOS Development»ios – XCode 16.2, RN 0.79.3 Multiple commands produce
    iOS Development

    ios – XCode 16.2, RN 0.79.3 Multiple commands produce

    big tee tech hubBy big tee tech hubJuly 31, 2025012 Mins Read
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    ios – XCode 16.2, RN 0.79.3 Multiple commands produce
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    After upgrading to RN 0.79.3 i started having this failing iOS build:

    error Multiple commands produce '~/Library/Developer/Xcode/DerivedData/MyApp-busjatodvgaqfkaofsfubqrkrqmx/Build/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/RCTComponentViewHelpers.h'
    error Multiple commands produce '~/Library/Developer/Xcode/DerivedData/MyApp-busjatodvgaqfkaofsfubqrkrqmx/Build/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/ScrollEvent.h'
    error Multiple commands produce '~/Library/Developer/Xcode/DerivedData/MyApp-busjatodvgaqfkaofsfubqrkrqmx/Build/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/ScrollViewComponentDescriptor.h'
    error Multiple commands produce '~/Library/Developer/Xcode/DerivedData/MyApp-busjatodvgaqfkaofsfubqrkrqmx/Build/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/ScrollViewEventEmitter.h'
    error Multiple commands produce '~/Library/Developer/Xcode/DerivedData/MyApp-busjatodvgaqfkaofsfubqrkrqmx/Build/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/ScrollViewProps.h'
    error Multiple commands produce '~/Library/Developer/Xcode/DerivedData/MyApp-busjatodvgaqfkaofsfubqrkrqmx/Build/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/ScrollViewShadowNode.h'
    error Multiple commands produce '~/Library/Developer/Xcode/DerivedData/MyApp-busjatodvgaqfkaofsfubqrkrqmx/Build/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/ScrollViewState.h'
    error Multiple commands produce '~/Library/Developer/Xcode/DerivedData/MyApp-busjatodvgaqfkaofsfubqrkrqmx/Build/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/conversions.h'
    error Multiple commands produce '~/Library/Developer/Xcode/DerivedData/MyApp-busjatodvgaqfkaofsfubqrkrqmx/Build/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/primitives.h'
    error Multiple commands produce '~/Library/Developer/Xcode/DerivedData/MyApp-busjatodvgaqfkaofsfubqrkrqmx/Build/node_modules/react-native/ReactCommon/react/renderer/consistency/ScopedShadowTreeRevisionLock.h'
    error Multiple commands produce '~/Library/Developer/Xcode/DerivedData/MyApp-busjatodvgaqfkaofsfubqrkrqmx/Build/node_modules/react-native/ReactCommon/react/renderer/consistency/ShadowTreeRevisionConsistencyManager.h'
    error Multiple commands produce ''
    error Multiple commands produce ''
    error Multiple commands produce ''
    error Multiple commands produce ''
    error Multiple commands produce ''
    error Multiple commands produce ''
    error Multiple commands produce ''
    error Multiple commands produce ''
    error Multiple commands produce ''
    error Multiple commands produce ''
    error Multiple commands produce ''
    node:internal/process/promises:389
          new UnhandledPromiseRejection(reason);
          ^
    
    UnhandledPromiseRejection: This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). The promise rejected with the reason "Error: Failed to build ios project. "xcodebuild" exited with error code '65'. To debug build logs further, consider building your app with Xcode.app, by opening 'MyApp.xcworkspace'.".
        at throwUnhandledRejectionsMode (node:internal/process/promises:389:7)
        at processPromiseRejections (node:internal/process/promises:470:17)
        at process.processTicksAndRejections (node:internal/process/task_queues:96:32) {
      code: 'ERR_UNHANDLED_REJECTION'
    }
    

    XCode says detaily for each error like:

    Target 'React-Fabric' (project 'Pods') has copy command from '/Users/radek/Desktop/work/myapp-fe/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/RCTComponentViewHelpers.h' to '/Users/radek/Library/Developer/Xcode/DerivedData/MyApp-busjatodvgaqfkaofsfubqrkrqmx/Build/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/RCTComponentViewHelpers.h'
    
    Target 'React-FabricComponents' (project 'Pods') has copy command from '/Users/radek/Desktop/work/myapp-fe/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/RCTComponentViewHelpers.h' to '/Users/radek/Library/Developer/Xcode/DerivedData/MyApp-busjatodvgaqfkaofsfubqrkrqmx/Build/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/RCTComponentViewHelpers.h'
    

    I found tons of threads about same error title, but always with different files or libraries.

    What i tried:

    • Remove DerivedData
    • Reinstall pods
    • Move use_frameworks! :linkage => :static above use_react_native()
    • Checked that i don’t have any duplicates in Target -> Build Phases -> Copy Bundle Resources

    I also tried to remove duplicate files in post_install like:

          if target.name == 'React-FabricComponents'
            target.headers_build_phase.files.each do |file|
              if file.display_name.include?('RCTComponentViewHelpers.h') ||
                 file.display_name.include?('ScrollView')
                file.remove_from_project
              end
            end
          end
        end
    

    Android builds, so the issue i have is only this one with iOS. Any other ideas?



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    0.79.3 commands iOS multiple produce Xcode
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