Hello SAP Experts, i have a question regarding Order Reservations, in my company when we create a Production order the reservations for each component are created automatically and assinged to a reservation number, the thing is when i try to create a Reservation through MB21 for the same Production order the system says that" for that type of production order i cant generate manual reservations", can you please guide and tell me if i can change this in the configuration ?? , if you need additional info please tell me , thank you in advance.