They say the only constant is change. I’d say that the only other constant is error. We humans tend to err. Give a repeatable task to a human, and they’ll mess it up every once in a while. Some call it the human factor.
One of the many repeatable tasks in Microsoft Dynamics NAV is setting up items. If you remember my rant about mandatory fields, and how I said they were baaad, there might be an even more baaad kind of fields: the default value fields. Because the system simply inserts a value into these fields without asking for your say, and if anything is easy, it’s only so easy to overlook these. Yep, you have a chance to voice your oppinion on these, but having got to hurry for a cup of coffe with Mary from accounting, admit it, you’re gonna leave that default FIFO costing method for an item every once in a while, even though it should really have been Average. Then you’ll start posting. Then your phone rings and starts screaming at you about a moron who screwed up items again.