Error: Could not find version: latest of ITMSTransporter to download

Step1: GO to folder
/Applications/Xcode.app/Contents/Applications/Application Loader.app/Contents/itms/bin/iTMSTransporter

Step2: double click iTMSTransporter

terminal log as below:
saving session…
…copying shared history…
…saving history…truncating history files…
…completed.
Deleting expired sessions…193 completed.

[Process completed]

Step3: Upload your ipa again.