新的Apple Mach-O链接(id)错误

昨晚，当我完成项目时，没有出现任何错误。但今天，当我打开我的项目时，我遇到了Apple Mach-O链接（id）错误。以下是错误：`Ld/Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI bdyziqhatjrwffgkgfvwvtoxdroa/Build/Products/Debug iphonesimulator/WhereAmI.app/VhereAmI normal i386cd"/Users/chandlerdeangelis/Desktop/房地产应用程序"setenv MACOSX_DEPLOYMENT_TARGET 10.6setenv PATH"/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.Platforms/Developer//usr/bin:/Applications/Xcode/app/Contents/Developer/usr/bin:/usr/bin:/usr/sbin:/sbin"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-arch i386-issroot/Applications/Xcode/app/Contents/DDeveloper/Platforms/iPhoneSimulator.platform/DDeveloper/SDKs/iPhoneSimulator 5.1.sdk-L/Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI bdyziqhatjrwffgkgfvwvtoxdroa/Build/Products/Debug iPhoneSimulator-F/Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI bdyziqhatjrwffgkgfvwvtoxdroa/Build/Products/Debug iphonesimulator-filelist/Users/chandlerdeangelis/Lebrary/Developer/Xcode/DeriedData/WhereAmI bdysiqhatjrWFfgkgfvw vtoxdroa/Build/Inmediates/WhereAmI.Build/Debug-iphonsimulator/WhereAmI.Build/Objects-normal/i386/WhereAmI.LinkFileList-mmacosx版本min=10.6-Xlinker-objc_abi_version-Xlinker 2-fobjc arc-fobj link运行时-Xlinkor-no_inimplicit_dylibs-D__IPHONE_OS_version_MIN_REQUIRED=50100-framework MapKit-framework CoreLocation-framework UIKit-frameworkFoundation-framework Core Graphics-o/Users/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI bdyziqhatjrwffgkgfvwvtoxdroa/Build/Products/Debug iphonesimulator/WhereAmI.app/WhereAmI

重复符号_OBJC_IVAR_$_WhereAmIAppDelegate_窗口位于：/用户/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI bdyziqhatjrwffgkgfvwvtoxdroa/Build/Inmediates/WhereAmI.Build/Debug iphonesimulator/WhereAmI.Build/Objects normal/i386/WhereAmIAppDelegate.o/用户/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI bdyziqhatjrwffgkgfvwvtoxdroa/Build/Inmediates/WhereAmI.Build/Debug iphonesimulator/WhereAmI.Build/Objects normal/i386/WhereAmIViewController.o重复符号_OBJC_IVAR_$_WhereAmIAppDelegate_viewController位于：/用户/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI bdyziqhatjrwffgkgfvwvtoxdroa/Build/Inmediates/WhereAmI.Build/Debug iphonesimulator/WhereAmI.Build/Objects normal/i386/WhereAmIAppDelegate.o/用户/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI bdyziqhatjrwffgkgfvwvtoxdroa/Build/Inmediates/WhereAmI.Build/Debug iphonesimulator/WhereAmI.Build/Objects normal/i386/WhereAmIViewController.o重复符号_OBJC_METACLASS_$_WhereAmIAppDelegate位于：/用户/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI bdyziqhatjrwffgkgfvwvtoxdroa/Build/Inmediates/WhereAmI.Build/Debug iphonesimulator/WhereAmI.Build/Objects normal/i386/WhereAmIAppDelegate.o/用户/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI bdyziqhatjrwffgkgfvwvtoxdroa/Build/Inmediates/WhereAmI.Build/Debug iphonesimulator/WhereAmI.Build/Objects normal/i386/WhereAmIViewController.o重复符号_OBJC_CLASS_$_WhereAmIAppDelegate位于：/用户/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI bdyziqhatjrwffgkgfvwvtoxdroa/Build/Inmediates/WhereAmI.Build/Debug iphonesimulator/WhereAmI.Build/Objects normal/i386/WhereAmIAppDelegate.o/用户/chandlerdeangelis/Library/Developer/Xcode/DerivedData/WhereAmI bdyziqhatjrwffgkgfvwvtoxdroa/Build/Inmediates/WhereAmI.Build/Debug iphonesimulator/WhereAmI.Build/Objects normal/i386/WhereAmIViewController.old:4个用于体系结构i386的重复符号clang:错误：链接器命令失败，退出代码为1（使用-v查看调用）`有人能帮我吗？