How To Fix ARUN_MAIN131 - The UoM is invalid for the material &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: ARUN_MAIN -

• Message number: 131

• Message text: The UoM is invalid for the material &1.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ARUN_MAIN131 - The UoM is invalid for the material &1. ?

  The SAP error message ARUN_MAIN131 indicates that there is an issue with the Unit of Measure (UoM) for a specific material in the system. This error typically arises when the UoM being used is not valid for the material in question, which can occur in various scenarios such as during inventory management, sales order processing, or material master maintenance.
  Cause:
  
  Invalid UoM Configuration: The UoM being used may not be defined for the material in the material master record.
  Incorrect UoM in Transaction: The UoM entered in a transaction (e.g., sales order, purchase order) does not match the UoM defined for the material.
  Missing UoM in Material Master: The material master may not have the required UoM set up in the relevant views (e.g., Basic Data, Sales, Purchasing).
  UoM Conversion Issues: If there are conversion factors defined, they may not be set up correctly, leading to invalid conversions.
  
  Solution:
  
  
  Check Material Master:
  
  Go to the material master record (transaction code MM03).
  Verify the UoM settings in the Basic Data, Sales, and Purchasing views.
  Ensure that the UoM you are trying to use is listed and valid for the material.
  
  
  
  Update UoM:
  
  If the UoM is missing, you may need to add it to the material master using transaction code MM02 (Change Material).
  Ensure that the UoM is correctly defined in the UoM table (transaction code CUNI).
  
  
  
  Review Transaction Data:
  
  Check the transaction where the error occurred to ensure that the correct UoM is being used.
  If necessary, change the UoM in the transaction to match the valid UoM for the material.
  
  
  
  UoM Conversion:
  
  If you are using multiple UoMs, ensure that the conversion factors are correctly defined in the material master.
  Check the UoM conversion settings in the system to ensure they are set up correctly.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional guidance on UoM configuration and management.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  CUNI: Maintain Units of Measure
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to UoM and this error message.
  User Roles: Ensure that the user has the necessary permissions to view and edit material master data.
  
  By following these steps, you should be able to resolve the ARUN_MAIN131 error and ensure that the UoM for the material is valid and correctly configured in the SAP system.