昨晚，当我完成我的项目时，没有错误。但是今天，当我打开我的项目时，我遇到了 Apple Mach-O 链接 (id) 错误。这是错误：`Ld /Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Products/Debug-iphonesimulator/WhereAmI.app/WhereAmI normal i386 cd“/Users/chandlerdeangelis/Desktop/Real Estate应用程序“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" /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch i386 -isysroot /Applications/Xcode.app/Contents/Developer/平台/iPhone模拟器。
重复符号 _OBJC_IVAR_$_WhereAmIAppDelegate._window 在：/Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386/WhereAmIAppDelegate。 o /Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386/WhereAmIViewController.o 重复符号_OBJC_IVAR_$_WhereAmIAppDelegate._viewController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 重复符号 _OBJC_METACLASS_$_WhereAmIAppDelegate 在： /Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386/WhereAmIAppDelegate.o /Users/chandlerdeangelis/Library/Developer /Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386/WhereAmIViewController.o重复符号_OBJC_CLASS_$_WhereAmIAppDelegate在：/Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386/WhereAmIAppDelegate.o /Users/chandlerdeangelis/Library/Developer /Xcode/DerivedData/WhereAmI-bdyziqhatjrwffgkgfvwvtoxdroa/Build/Intermediates/WhereAmI.build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386/WhereAmIViewController.o ld：架构i386 clang的4个重复符号：错误：链接器命令失败退出代码 1（使用 -v 查看调用）` 谁能帮帮我？build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386/WhereAmIViewController.o ld：架构 i386 的 4 个重复符号 clang：错误：链接器命令失败，退出代码为 1（使用 -v 查看调用）`谁能帮忙我出去？build/Debug-iphonesimulator/WhereAmI.build/Objects-normal/i386/WhereAmIViewController.o ld：架构 i386 的 4 个重复符号 clang：错误：链接器命令失败，退出代码为 1（使用 -v 查看调用）`谁能帮忙我出去？