react-native run-ios error

[evertzz]

Installing build/Build/Products/Debug-iphonesimulator/GankIO.app
An error was encountered processing the command (domain=NSPOSIXErrorDomain, code=2):
Failed to install the requested application
An application bundle was not found at the provided path.
Provide a valid path to the desired application bundle.
Print: Entry, ":CFBundleIdentifier", Does Not Exist

[aa4933]

I run-ios
get error undefined is not an object
this is error image
image url