… are modified or added to by businesses. Altering standard SAP tables seriously interferes with the SAP system and usually indicates the extent of customization. Changes to the standard tables often include the addition of Z and Y fields for company-specific programs. These fields are not normally affected by a release upgrade, but all transactions and reports that rely on these fields require time-consuming tests and maintenance after each upgrade. In consequence, operating costs skyrocket. A systematic diagnosis of the changes you no longer need will help you bring operating costs back down. Think it’s time you took a closer look at your own system?