Moxie did great things with the design side of the projects. Both the designs intentionally use some similar design elements, as they are related organisations.
Argh I can't believe how long it took for me to track this one down. No one else on the internet had reported the problem before, so trusty ole google was no help. So I'm putting this one out there, to help others.
This error is caused when a file vendor/rails/activesupport/lib/active_support/values/unicode_tables.dat becomes corrupted. The easiest way that can happen is if while using FTP to upload your Rails app onto it's server, you are uploading the entire vendor/rails directory in ASCII mode. unicode_tables.dat contains binary data, which gets mangled when you upload using ASCII. Read more
The Legal Services Agency are a government agency who assist people with finding law-related resources. In the past they would annually publish an extremely thick resource directory, which would list thousands of resources from hundreds of organisations. Read more