I didn't get any idea, Xcode doesn't show any error when I build the app to simulator get permission error, please anybody know this kind of error. Details The file “App name” couldn’t be opened because you don’t have permission to view it. Domain: NSCocoaErrorDomain Code: 257 Failure Reason: You don’t have permission. Recovery Suggestion: To view or change permissions, select the item in the Finder and choose File > Get Info. User Info: {     NSFilePath = "local path/Build/Products/Debug-iphonesimulator/Appname.app"; } - The operation couldn’t be completed. Permission denied Domain: NSPOSIXErrorDomain Code: 13 Failure Reason: Permission denied - System Information macOS Version 10.15.7 (Build 19H2) Xcode 12.0.1 (17220)