Procedure
Transfer a suitable value.
If the field is the material group or unit of weight, and the field isnot ready for input, check whether the material is locked. If it islocked, you cannot extend the Purchasing view or the Sales
view. If either of these views needs to be extended, the materialmust first be unlocked. This can be done only by a user with specialauthorization. Contact your system administrator.
Note
For information on locking and unlocking material master records, seethe SAP library documentation Material Master (LO-MD-MM) ->Locking Material Master Records.