Diagnosis
When defining additionals, you must select a unit ofmeasure of the material to which the additional is tobe assigned. The unit of measure you have selected is not defined forthe material.

System Response
The system will only let you select units of measure that have alreadybeen maintained for the material.

Procedure
Choose one of the previously maintained units of measure or,alternatively, add your desired unit of measure in the material master.

Hints
Ideally, you should only select units of measure in which the materialwill be sold to customers/consumers.