MEMASSPO has restrictions, not all fields can be changed. The ME_LIMIT_FIELDS_PO function module basically contains all  non-changeable fields for the mass change of the purchase order. In  addition, the following item fields cannot be changed with existing  items:  Material number (EKPO-EMATN)  Material short text (EKPO-TXZ01)  Order quantity (EKPO-MENGE)  Order unit (EKPO-MEINS)  Net order price (EKPO-NETPR)  Purchase order price unit … Continue reading List out the fields which can’t be changed with MEMASSPO?