昨晚，當我完成我的項目時，沒有錯誤。但是今天，當我打開我的項目時，出現Apple Mach-O鏈接（id）錯誤。這裏是錯誤：`cd/Users/chandlerdeangelis/Desktop/Real' Estate App「 setenv MACOSX_DEPLOYMENT_TARGET 10.6 setenv PATH」/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/ usr/bin：/ bin：/ usr/sbin：/ sbin「應用程序/ Xcode.app /內容/開發工具目錄/ Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.1.sdk -L/Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Products/Debug-iphonesimulator -F/Users/chandlerdeangeli s/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Products/Debug-iphonesimulator -filelist /Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug- iphonesimulator/WhereAmI.build/Objects-normal/i386/WhereAmI.LinkFileList -mmacosx-version-min = 10.6 -Xlinker -objc_abi_version -Xlinker 2 -fobjc-arc -fobjc-link-runtime -Xlinker -no_implicit_dylibs -D__IPHONE_OS_VERSION_MIN_REQUIRED = 50100 -framework MapKit -framework CoreLocation -framework UIKit的-framework基金會-framework CoreGraphics在-o /Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Products/Debug-iphonesimulator/WhereAmI.app/WhereAmI新Apple Mach-O鏈接（id）錯誤
重複符號_OBJC_IVAR _ $ _ WhereAmIAppDelegate._window在： /Users/chandlerd eangelis/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386/WhereAmIAppDelegate.o /Users/chandlerdeangelis/Library/Developer/Xcode /DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386/WhereAmIViewController.o 重複的符號_OBJC_IVAR _ $ _ WhereAmIAppDelegate._viewController在： /用戶/ chandlerdeangelis /庫/ Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386/WhereAmIAppDelegate.o /Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI -bdyziqhatjrwffgkgfvwvtoxdroa /編譯/中間體/ WhereAmI.build /調試-iphonesimulator/WhereAmI.build /肥胖jects正常/ I386/WhereAmIViewController.o 重複的符號_OBJC_METACLASS _ $ _ WhereAmIAppDelegate在： /Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug-iphonesimulator/WhereAmI.build /Objects-normal/i386/WhereAmIAppDelegate.o /Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386/ WhereAmIViewController.o 重複的符號_OBJC_CLASS _ $ _ WhereAmIAppDelegate在： /Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386 /WhereAmIAppDelegate.o /User s/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386/WhereAmIViewController.o ld：4個用於架構i386的重複符號 clang：錯誤：鏈接器命令失敗，退出代碼1（使用-v來查看調用） ` 任何人都可以幫我嗎？
難道你有機會來檢查我的答案嗎？ –
最後我只是複製這些文件中的代碼，並開始一個新項目，和錯誤走了。謝謝你的幫助雖然 –
我如何接受答案？我不知道那是什麼。 –