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I am facing an issue when trying to launch my app on the iOS simulator. When I attempt to open the app, it crashes and displays the following error:

Simulator device failed to launch app.
Domain: NSPOSIXErrorDomain
Code: 3
Failure Reason: No such process
User Info: {
    DVTErrorCreationDateKey = "2025-02-24 07:04:56 +0000";
    IDERunOperationFailingWorker = IDELaunchiPhoneSimulatorLauncher;
    SimCallingSelector = "launchApplicationWithID:options:pid:error:";
}
--
Application launch for 'melos.shazamer' did not return a process handle nor launch error.
Domain: NSPOSIXErrorDomain
Code: 3
Failure Reason: No such process
--````
System Information:
macOS Version: 15.3.1 (Build 24D70)
Xcode Version: 16.2 (Build 16C5032a)
Simulator Device: iPhone 14,7 (iOS 16.0 – 20A360)
SDK Version: iOS Simulator 18.2
Troubleshooting Steps Tried:
Restarted the iOS simulator
Cleaned the build folder and rebuilt the app (Cmd + Shift + K)
Deleted and reinstalled the app on the simulator
Restarted Xcode and my Mac
Verified the app runs correctly on a physical device

本文标签: react nativeApp Crashing on iOS Simulator – Launch Failure ErrorStack Overflow