I write apps on Xcode8.2.1, apps run well on simulators, but I got errors when I want to run apps on my iphone.
I used automatically manage signing, Xcode managed profile.
error messages are following:
Probing signature of /Users/lincitrin/Library/Developer/Xcode/DerivedData/GoodDay-ddooxbshmdaepueaepgapipscvst/Build/Products/Debug-iphoneos/GoodDay.app/Frameworks/libswiftCore.dylib
/usr/bin/codesign '-r-' '--display' '/Users/lincitrin/Library/Developer/Xcode/DerivedData/GoodDay-ddooxbshmdaepueaepgapipscvst/Build/Products/Debug-iphoneos/GoodDay.app/Frameworks/libswiftCore.dylib'
/Users/lincitrin/Library/Developer/Xcode/DerivedData/GoodDay-ddooxbshmdaepueaepgapipscvst/Build/Products/Debug-iphoneos/GoodDay.app/Frameworks/libswiftCore.dylib: code object is not signed at all
Codesigning /Users/lincitrin/Library/Developer/Xcode/DerivedData/GoodDay-ddooxbshmdaepueaepgapipscvst/Build/Products/Debug-iphoneos/GoodDay.app/Frameworks/libswiftCore.dylib
/usr/bin/codesign '--force' '--sign' '37232F5B8FA6C25CE8C7A15E571D6942600EDA06' '--verbose' '/Users/lincitrin/Library/Developer/Xcode/DerivedData/GoodDay-ddooxbshmdaepueaepgapipscvst/Build/Products/Debug-iphoneos/GoodDay.app/Frameworks/libswiftCore.dylib'
error: The specified item could not be found in the keychain.
error: Task failed with exit 1 signal 0 {
/usr/bin/codesign '--force' '--sign' '37232F5B8FA6C25CE8C7A15E571D6942600EDA06' '--verbose' '/Users/lincitrin/Library/Developer/Xcode/DerivedData/GoodDay-ddooxbshmdaepueaepgapipscvst/Build/Products/Debug-iphoneos/GoodDay.app/Frameworks/libswiftCore.dylib'
}
Help, please!!