How To Fix GHO_ALLOC_UI141 - Master UOM already maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: GHO_ALLOC_UI - Message Class for UI for Allocation

• Message number: 141

• Message text: Master UOM already maintained

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GHO_ALLOC_UI141 - Master UOM already maintained ?

  The SAP error message GHO_ALLOC_UI141, which states "Master UOM already maintained," typically occurs in the context of material master data management, particularly when dealing with unit of measure (UOM) settings in SAP.
  Cause:
  This error usually arises when you attempt to maintain or change the unit of measure for a material that already has a master unit of measure defined. The system prevents changes to ensure data integrity and consistency, as the master UOM is critical for inventory management, purchasing, and sales processes.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing UOM Settings:
  
  Navigate to the material master record (transaction code MM03) and check the existing unit of measure settings for the material in question. Ensure that you are aware of the current master UOM.
  
  
  
  Review UOM Configuration:
  
  If you need to change the master UOM, you may need to first remove or adjust any existing settings that are preventing the change. This might involve:
  
  Deleting or adjusting existing UOM records.
  Ensuring that there are no open purchase orders, sales orders, or stock movements that reference the current UOM.
  
  
  
  
  
  Use the Correct Transaction:
  
  If you are trying to change the UOM, ensure you are using the correct transaction (e.g., MM02 for changing material master data) and that you have the necessary authorizations.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to material master data and unit of measure management for specific guidelines on how to handle UOM changes.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue through the above steps, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  
  Related Information:
  
  Material Master Data: Understanding the structure and importance of material master data in SAP is crucial. The master UOM is a key field that affects various processes, including inventory valuation and reporting.
  Unit of Measure (UOM) Configuration: Familiarize yourself with how UOMs are configured in SAP, including the relationship between base UOM, alternative UOMs, and how they are used in transactions.
  SAP Notes and Knowledge Base: Check SAP's support portal for any specific notes related to GHO_ALLOC_UI141, as there may be updates or specific instructions provided by SAP.
  
  By following these steps, you should be able to address the error and manage your material master data effectively.