In SAP MM, what happens if the ATP check is not performed?

In the context of SAP Materials Management, when an Available-to-Promise (ATP) check is not performed, it means that the system is unable to determine the availability of materials for fulfilling incoming orders or requirements. This results in unfulfilled material requirements because the system lacks the necessary information to confirm if the materials are in stock or can be procured in time to meet demand.

Without executing the ATP check, the system cannot allocate stock to the new orders based on the available inventory, planned receipts, or other constraints. Consequently, this leads to the situation where demand for materials is not satisfied, as there is no proactive action taken to verify availability prior to processing orders.

The other choices present scenarios that do not directly stem from the absence of an ATP check. For instance, while current stock management continues, not performing the ATP check simply means that the material requirements do not get addressed appropriately. Thus, the result is that material requirements remain unfulfilled, which directly reflects the importance of performing an ATP check in order management and inventory control processes in SAP MM.