I'm having a problem about xcode. Please help me check this issue
This is my log from xcode
Ld /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Products/Debug-iphonesimulator/Management.app/Management normal i386 cd /Users/admin/Desktop/Project/Management setenv IPHONEOS_DEPLOYMENT_TARGET 6.0 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/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator6.0.sdk -L/Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Products/Debug-iphonesimulator -F/Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Products/Debug-iphonesimulator -filelist /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/Management.LinkFileList -Xlinker -objc_abi_version -Xlinker 2 -fobjc-arc -fobjc-link-runtime -Xlinker -no_implicit_dylibs -mios-simulator-version-min=6.0 -framework SystemConfiguration -framework Security -framework CFNetwork -framework UIKit -framework Foundation -framework CoreGraphics -framework CoreData -o /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Products/Debug-iphonesimulator/Management.app/Management
duplicate symbol _OBJC_IVAR_$_EditViewController._textfieldCategory in: /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/AddTransactionViewController.o /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/EditViewController.o duplicate symbol _OBJC_IVAR_$_EditViewController._labelType in: /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/AddTransactionViewController.o /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/EditViewController.o duplicate symbol _OBJC_IVAR_$_EditViewController._isType in: /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/AddTransactionViewController.o /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/EditViewController.o duplicate symbol _OBJC_IVAR_$_EditViewController._viewDate in: /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/AddTransactionViewController.o /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/EditViewController.o duplicate symbol _OBJC_IVAR_$_EditViewController._viewPicker in: /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/AddTransactionViewController.o /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/EditViewController.o duplicate symbol _OBJC_IVAR_$_EditViewController._datePicker in: /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/AddTransactionViewController.o /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/EditViewController.o duplicate symbol _OBJC_CLASS_$_EditViewController in: /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/AddTransactionViewController.o /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/EditViewController.o duplicate symbol _OBJC_METACLASS_$_EditViewController in: /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/AddTransactionViewController.o /Users/admin/Library/Developer/Xcode/DerivedData/Management-dbumnvnvxcjatwgwzoxobimmdmvo/Build/Intermediates/Management.build/Debug-iphonesimulator/Management.build/Objects-normal/i386/EditViewController.o ld: 8 duplicate symbols for architecture i386 clang: error: linker command failed with exit code 1 (use -v to see invocation)
I don't understand why reason. Everything is normal until I add 'Edit View Controller' to my app. I have tried to delete 'Edit View Controller'. However it does not work. Can you please help me if you know solution for this issue? Thanks
