Apparently Computer Weekly has been smelling smoke around this since 2009, and these comments are pretty damning towards Fujitsu.
https://www.computerweekly.com/news/...s-says-insider
"Everybody in the building by the time I got there knew it was a bag of s**t”, he said. “It had gone through the test labs God knows how many times, and the testers were raising bugs by the thousand.”
" allegation is that Horizon’s Epos system was initially built with “no design documents, no test documents, no peer reviews, no code reviews, no coding standards”.
"To my knowledge, no one on the team had a computer science degree or any degree-level qualifications in the right field. They might have had lower-level qualifications or certifications, but none of them had any experience in big development projects, or knew how to do any of this stuff properly. They didn’t know how to do it.”