How many ways can you calculate 6? 4+2? 5+1? There are infinite possibilities. When developing software, especially an IRT, anytime you introduce customizations you introduce the chance for an error. Today we are discussing the who, what, when, how, and why errors occur, and what your technology vendor should be looking for if something happens. It’s not just someone making a mistake, and in the technology world there is a lot that goes into an investigation.