Failed to fetch gnome-mahjongg when upgrading from 15.10 to 16.04

[TungstenX]

OS: Ubuntu 15.10
Package: gnome-mahjongg_3.18.0

I get the following error, when I tried to upgrade my desktop Ubuntu from 15.10 to 16.04 and it stops the whole upgrade process:

Could not download the upgrades
The upgrade has aborted. Please check your Internet connection or installation media and try again. All files downloaded so far have been kept.
Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/g/gnome-mahjongg/gnome-mahjongg_3.18.0-1_amd64.deb Size mismatch

I've tried this a few times (there was nothing wrong with my connection), with no success.

I also tried (unsuccessfully):
* apt-get clean
* apt-get update
* apt-get autoclean
* apt-get autoremove

I un-installed this desktop game and retried the upgrade, successfully. I would have preferred an error message with the ability to ignore it, rather than pulling up the handbrake on an upgrade.