Please maintain unit of measure in line &
Message type: E = Error
Message class: 30 - Service Master: Basic Data
Message number: 018
Message text: Please maintain unit of measure in line &
What causes this issue?
To be able to enter a master record with its basic data in the
specified line, you have to enter a unit of measure for the master
record.
Error message extract from SAP system. Copyright SAP SE.
