Xcode 9.2 Upload to App Store fails with description length and invalid toolchain errors

Question

I\'ve read through a bunch of forums including here:
https://forums.developer.apple.com/thread/87862
and some Stack Overflow posts.

I have tried modifying my

Answer 1

I started with several "iTunes store operation failures". While fixing the other errors, I keep trying to fix this "description length" error too - but it always failed. So I solved all other errors first and suddenly this error was gone too.

I BELIEVE this error depends on other errors. The last error I fixed was called "Storyboard file not found")

Xcode 9.2

Answer 2

Right-Click on the archive file (.xcarchive) > Show Package Contents > Products > Applications > Right-Click on the app file > Show Package Contents > Double-Click on Info.plist to edit it

Change value of DTXcodeBuild from 9C40b to 9C40

Re-submit and it will work

Edit/Disclaimer: this is just a trick to bypass the upload process, iTunesConnect still doesn't allow submission with 11.2 so this is not the right solution.