How To Fix 30018 - Please maintain unit of measure in line &


30018 - Overview

  • Message type: E = Error

  • Message class: 30 - Service Master: Basic Data

  • Message number: 018

  • Message text: Please maintain unit of measure in line &

  • Show details Hide details
  • 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.


Smart SAP Assistant

  • What is the cause and solution for SAP error message 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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