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When I upgraded to Xcdoe 12 and build the previous app project, And then I got an error when running the simulator, it seemed to be a permission problem. I also went to File> Get Info for what the error said, but no exception was found. Any ideas? ======================== The following is the error content: Details The file “***” 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 = "/Users/momo/Library/Developer/Xcode/DerivedData/***-dxvphugocaepzfaicmcbykxrlgrt/Build/Products/Debug-iphonesimulator/***.app"; }- The operation couldn’t be completed. Permission denied Domain: NSPOSIXErrorDomain Code: 13 Failure Reason: Permission denied- System Information macOS Version 10.15.6 (Build 19G2021) Xcode 12.0.1 (17220)