https://www.theregister.co.uk/2018/05/29/canada_phoenix_payroll_system_audit/

Canada's top auditor has issued a scathing postmortem report on Phoenix: the nation's disastrous attempt to overhaul a key government IT system.

In its comprehensive dossier outlining the nine-year-long fiasco to replace the software that handled the country's payroll system for government workers, the Office of the Auditor General slammed the decision-making that ended up underpaying thousands of employees.