react-native run-ios项目跑不起来

[doubleJJJJ]

The following build commands failed:
CompileC /Users/niejiajun/Desktop/elm-react-native/ios/build/Build/Intermediates.noindex/React.build/Debug-iphonesimulator/React.build/Objects-normal/x86_64/RCTJavaScriptLoader.o /Users/niejiajun/Desktop/elm-react-native/node_modules/react-native/React/Base/RCTJavaScriptLoader.mm normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler
(1 failure)

Installing build/Build/Products/Debug-iphonesimulator/Elm.app
An error was encountered processing the command (domain=NSPOSIXErrorDomain, code=22):
Failed to install the requested application
The bundle identifier of the application could not be determined.
Ensure that the application's Info.plist contains a value for CFBundleIdentifier.
Print: Entry, ":CFBundleIdentifier", Does Not Exist

Command failed: /usr/libexec/PlistBuddy -c Print:CFBundleIdentifier build/Build/Products/Debug-iphonesimulator/Elm.app/Info.plist
Print: Entry, ":CFBundleIdentifier", Does Not Exist
报错信息如上，求助。。。

[rickchew]

我的报错 Could not find iPhone 6 simulator，网上找的修改 findMatchingSimulator.js ，试了没用

[sydboys]

我运行也是
Found Xcode project Elm.xcodeproj
CoreData: annotation: Failed to load optimized model at path '/Applications/Xcode.app/Contents/Applications/Instruments.app/Contents/Frameworks/InstrumentsPackaging.framework/Versions/A/Resources/XRPackageModel.momd/XRPackageModel 9.0.omo'