@Howard Just noticed your question. I am using an external application (java) to allow the user to enter required data to generate the sales order. I have found this error message is generic, and seems to occur when ANYTHING is noticed to be wrong with the input and can't be specifically identified by SuiteTalk. The element specified in the error message seems to be random and, at least in the multiple cases I have seen this, doesn't appear to be related to the actual problem. Look to your input first.