After creating a fresh React Native app and running `pod install`, you may suddenly see `bad component(expected absolute path component)` followed by `React-Core-prebuilt pod failed to validate`. This error is confusing because CocoaPods appears installed correctly and React Native setup seems complete. The issue is usually not CocoaPods itself — it is caused by corrupted React Native prebuilt artifacts, cache problems, invalid paths, or dependency inconsistencies.

The Error

1[ReactNativeDependencies] Failed to download release tarball: bad component(expected absolute path component)
2
3[!] The `React-Core-prebuilt` pod failed to validate due to 1 error:
4ERROR | attributes: Missing required attribute `source`.

What Causes This Error

Newer React Native versions use prebuilt artifacts for React Native Core and Dependencies during iOS pod installation. During `pod install`, CocoaPods downloads and validates these packages automatically. If the downloads are corrupted, cached files are stale, paths are malformed, or dependencies become inconsistent, validation can fail with the `React-Core-prebuilt` missing required attribute `source` error.

• Spaces in project parent folder names
• Corrupted CocoaPods cache
• Corrupted React Native artifact downloads
• Broken node_modules installation
• Interrupted package installation
• React Native prebuilt artifact bugs

Fix 1: Clean iOS Pod Files

1cd ios
2rm -rf Pods
3rm -rf build
4rm -rf Podfile.lock

Fix 2: Clear CocoaPods Cache

1rm -rf ~/Library/Caches/CocoaPods
2rm -rf ~/Library/Caches/org.cocoapods.CocoaPods

Fix 3: Reinstall node_modules

1rm -rf node_modules
2rm -rf package-lock.json
3npm install

Fix 4: Check Project Path

Some users hit this error because their parent project directory contains spaces such as `Production Code` or `My Projects`. Certain internal scripts still struggle with path parsing.

1❌ ~/Documents/Production Code
2❌ ~/My Projects
3
4✅ ~/Documents/ProductionCode
5✅ ~/Projects

Fix 5: Install Pods Again

1cd ios
2pod install

Quick Diagnosis Checklist

• Delete Pods and Podfile.lock
• Clear CocoaPods cache
• Delete node_modules and reinstall
• Check project path for spaces
• Run pod install again
• Run npx react-native run-ios