Base unit of measure
Base unit of measure was maintained as kg and no order unit maintained. created the PO. with Base unit(kg) now want to change it to NUM in PO but system not allowing to change the unit of measure. hence in the material master order unit mentioned as NUM. still not able to change the uom.
how to change the uom in PO.
Check bellow two process
1) First change material unit of measure in MM02.
If any transaction is created for your material system not allow you to change unit of measure.
so first cancel your transaction against material and then try to chagne unit of measure.
NOTE: - You can see transaction against material with ME2M, ME5A, ME2N, MB51.
2) Maintain order unit of measure as NOS, maintain conversion factor between nos and kg.
Then active variable active unit of measure in purchasing view.
Also same change done in material purchasing info record.
Then try to change purchase order for material.