How To Fix L1141 - Order unit not maintained for this material

SAP Error Message - Details

• Message type: E = Error

• Message class: L1 - Message handling for WM master data

• Message number: 141

• Message text: Order unit not maintained for this material

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message L1141 - Order unit not maintained for this material ?

  The SAP error message L1141 ("Order unit not maintained for this material") typically occurs in the context of materials management and inventory management when a user attempts to create or process a document (like a purchase order, production order, or sales order) for a material that does not have an order unit defined in its material master record.
  Cause:
  The primary cause of this error is that the material master record for the specific material does not have an order unit specified. The order unit is essential for determining how the material is ordered, produced, or sold. If this information is missing, SAP cannot process the transaction involving that material.
  Solution:
  To resolve the error, you need to maintain the order unit for the affected material in the material master record. Here are the steps to do this:
  
  
  Access the Material Master:
  
  Use transaction code MM02 (Change Material) or MM01 (Create Material) in SAP.
  
  
  
  Enter Material Number:
  
  Input the material number that is causing the error.
  
  
  
  Select Views:
  
  Choose the relevant views that include the order unit information. Typically, you would select the "Basic Data" view or "Purchasing" view, depending on your needs.
  
  
  
  Maintain Order Unit:
  
  In the appropriate field, enter the order unit (e.g., EA for each, KG for kilograms, etc.). Ensure that the unit of measure is valid and corresponds to the material's characteristics.
  
  
  
  Save Changes:
  
  After entering the order unit, save the changes to the material master record.
  
  
  
  Re-attempt the Transaction:
  
  Go back to the transaction that generated the error and try to process it again.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): The order unit is part of the unit of measure settings in SAP. Ensure that the unit of measure is defined in the material master and is consistent with other related settings (like purchasing info records, etc.).
  Material Types: Different material types may have different requirements for order units. Ensure that the material type you are working with allows for the specified order unit.
  Configuration Settings: If you frequently encounter this error, it may be worth reviewing the configuration settings in the material management module to ensure that all necessary fields are being populated correctly during material creation.
  
  By following these steps, you should be able to resolve the L1141 error and successfully process transactions involving the affected material.