How To Fix L1142 - Unit of issue not maintained for this material

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 142

• Message text: Unit of issue 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 L1142 - Unit of issue not maintained for this material ?

  The SAP error message L1142, "Unit of issue not maintained for this material," typically occurs when you are trying to process a material in a transaction that requires a unit of issue, but that unit has not been defined for the material in the system. This can happen in various scenarios, such as during sales order processing, inventory management, or when creating purchase orders.
  Cause:
  
  Missing Unit of Issue: The primary cause of this error is that the unit of issue (the unit in which the material is sold or issued) has not been maintained in the material master record.
  Incorrect Material Type: The material type may not support the unit of issue.
  Configuration Issues: There may be configuration issues in the material management module that prevent the unit of issue from being set correctly.
  
  Solution:
  To resolve the L1142 error, follow these steps:
  
  
  Check Material Master Record:
  
  Go to transaction code MM03 (Display Material).
  Enter the material number and select the appropriate views (usually the Sales Organization or Plant data views).
  Check if the "Unit of Issue" is maintained. If it is not, you will need to maintain it.
  
  
  
  Maintain Unit of Issue:
  
  If the unit of issue is missing, go to transaction code MM02 (Change Material).
  Enter the material number and select the relevant views (Sales Org Data or Plant Data).
  In the appropriate section, maintain the unit of issue (e.g., EA for each, KG for kilograms, etc.).
  Save your changes.
  
  
  
  Check Material Type:
  
  Ensure that the material type allows for the maintenance of a unit of issue. You can check this in the configuration settings (transaction code SPRO).
  Navigate to Logistics > Material Management > Material Master > Basic Settings > Material Types and verify the settings for the material type in question.
  
  
  
  Test the Changes:
  
  After making the necessary changes, try to perform the transaction again that previously resulted in the error.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  MM01: Create Material Master
  
  
  Material Master Views: Ensure that you are familiar with the different views of the material master, as the unit of issue may be maintained in specific views (e.g., Sales Org Data, Plant Data).
  User Authorizations: Ensure that you have the necessary authorizations to change the material master data.
  Documentation: Refer to SAP Help documentation for more detailed information on material master data and units of measure.
  
  By following these steps, you should be able to resolve the L1142 error and successfully process the material in your SAP system.