Message type: E = Error
Message class: 30 - Service Master: Basic Data
Message number: 018
Message text: Please maintain unit of measure in line &
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.
30018
- Please maintain unit of measure in line & ?The SAP error message 30018, "Please maintain unit of measure in line &," typically occurs when a unit of measure (UoM) is not specified for a line item in a transaction, such as a purchase order, sales order, or material document. This error can prevent the completion of the transaction.
Cause: Missing Unit of Measure: The most common cause is that the unit of measure field is left blank for one or more line items in the document. Incorrect Configuration: The material master may not have a defined unit of measure for the specific material being processed. Data Entry Error: Users may inadvertently skip entering the unit of measure during data entry.
Solution: Check Line Item: Go to the line item that triggered the error and ensure that the unit of measure is filled in. You can do this by: Opening the relevant document (e.g., purchase order, sales order). Navigating to the line item in question. Entering the appropriate
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30017
Please maintain short text in line &
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30016
Master record number & in line & already exists
What causes this issue? You wish to enter a master record with a number in the specified line.System Response A master record with this number alrea...
30019
You are not allowed to change the unit of measure
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30020
No data record exists in internal table & (operation &)
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