How To Fix L1143 - Base 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: 143

• Message text: Base unit not maintained for this material

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message L1143 - Base unit not maintained for this material ?

  The SAP error message L1143, "Base unit not maintained for this material," typically occurs when you are trying to perform a transaction related to a material that does not have a base unit of measure defined in its material master record. The base unit of measure is essential for inventory management and other logistics processes in SAP.
  Cause:
  
  Missing Base Unit of Measure: The most common cause of this error is that the base unit of measure has not been defined for the material in the material master.
  Material Type Restrictions: Certain material types may have specific requirements for the base unit of measure.
  Data Inconsistencies: There may be inconsistencies or errors in the material master data.
  
  Solution:
  To resolve the error, you need to ensure that the base unit of measure is maintained for the material in question. Here are the steps to do this:
  
  
  Access Material Master:
  
  Go to 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 appropriate views to edit. Typically, you will need to select the "Basic Data" view.
  
  
  
  Maintain Base Unit of Measure:
  
  In the Basic Data view, look for the field labeled "Base Unit of Measure" (often referred to as "Base UoM").
  Enter the appropriate base unit of measure for the material (e.g., EA for each, KG for kilograms, etc.).
  
  
  
  Save Changes:
  
  After entering the base unit of measure, save your changes.
  
  
  
  Re-attempt the Transaction:
  
  Go back to the transaction that generated the error and try again.
  
  
  
  Related Information:
  
  Material Master Data: The material master is a central repository of information about materials in SAP. It contains various data related to purchasing, inventory management, sales, and more.
  Unit of Measure (UoM): In SAP, units of measure are used to define how quantities of materials are expressed. The base unit of measure is the primary unit used for inventory management.
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  
  
  User Authorizations: Ensure that you have the necessary authorizations to change material master data.
  
  By following these steps, you should be able to resolve the L1143 error and maintain the necessary data for your material in SAP.