App Store Connect Operation Error: Could not connect to Apple's web service

Question

I have been trying to upload my app archive to App Store connect for the past 3 days. In the beginning, there was a problem with the iTMSTransporter and I had to manually in

Answer 1

I uploaded build at list 10 - 15 times but all time got this error - "App Store Connect Operation Error" because i upload build with slow internet speed. When i try with high internet speed, then build uploaded first time on app store.