[xcode] error Failed to build iOS project. We ran "xcodebuild" command but it exited with error code 65

If you don't have cocoa pods installed you need to:

sudo gem install cocoapods

Then run:

cd /ios
pod install

delete the build folder in ios folder of your react native project

run:

react-native run-ios

if error persists:

  • delete build folder again
  • open the /ios folder in Xcode
  • navigate File -> Project Settings -> Build System -> change (Shared workspace settings and Per-User workspace settings): Build System -> Legacy Build System

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