Referencing to a Teaching case Fixing the payment system at Alvalade XXI: a case on IT project risk management Ramon OCallaghan What are the lessons learned for Casa XXI with Cartao 21 from their card users (end users/ customers) feedback after Day 1 of the system launch? List at least SIX (6). Please recommend corrective actions that should be taken (both technical as well as organisational) by Casa XXI stakeholders that will support the next project implementation. (12 marks) (b) In conducting a root cause analysis with the Ishikawa diagram, indicate the failure of the Cartao21 system as the effect and identify at least one cause relating to each of the following aspects: Men, Machine, Methods, Measurement, Materials, Mother Nature.