{"id":142,"hash":"4b2c70eb66315f451208d32e79da95a2e6d1c473ba77b49e31c333659f887e85","pattern":"Error Running React Native App From Terminal (iOS)","full_message":"I am following the tutorial on the official React Native website.\n\nUsing the following to build my project:\n\nreact-native run-ios\n\nI get the error:\n\nFound Xcode project TestProject.xcodeproj\nxcrun: error: unable to find utility \"instruments\", not a developer   \ntool or in PATH\n\nCommand failed: xcrun instruments -s\nxcrun: error: unable to find utility \"instruments\", not a developer \ntool or in PATH\n\nAlthough, when I run the app from the .xcodeproj, everything works fine.\n\nAny suggestions?","ecosystem":"npm","package_name":"ios","package_version":null,"solution":"Check out this link (Running react-native run-ios occurs an error?). It appears to be a problem with the location of Command line tools.\n\nIn Xcode, select Xcode menu, then Preferences, then Locations tab. Select your Xcode version from the dropdown and exit Xcode.","confidence":0.95,"source":"stackoverflow","source_url":"https://stackoverflow.com/questions/39778607/error-running-react-native-app-from-terminal-ios","votes":477,"created_at":"2026-04-19T04:41:23.143672+00:00","updated_at":"2026-04-19T04:51:34.617756+00:00"}