How To Fix GPSC128 - UoM not found for Product &1 in table &2

SAP Error Message - Details

• Message type: E = Error

• Message class: GPSC - PSC Application

• Message number: 128

• Message text: UoM not found for Product &1 in table &2

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 GPSC128 - UoM not found for Product &1 in table &2 ?

  The SAP error message GPSC128 indicates that a Unit of Measure (UoM) is not found for a specific product in a specified table. This error typically arises in the context of SAP Advanced Planning and Optimization (APO) or SAP Integrated Business Planning (IBP) when the system is unable to locate the UoM for a product in the relevant master data tables.
  Cause:
  
  Missing UoM Configuration: The UoM for the specified product may not be defined in the system.
  Incorrect Product Master Data: The product master data may be incomplete or incorrectly maintained, leading to the absence of the required UoM.
  Data Synchronization Issues: There may be issues with data synchronization between different SAP modules or systems, leading to missing or outdated information.
  Table Configuration Issues: The specific table referenced in the error message may not have the necessary entries for the product and its UoM.
  
  Solution:
  
  
  Check UoM Configuration:
  
  Go to the UoM configuration in SAP (transaction code CUNI for unit of measure maintenance).
  Ensure that the UoM for the product is defined and correctly configured.
  
  
  
  Verify Product Master Data:
  
  Use transaction codes like MM03 (Display Material) to check the product master data.
  Ensure that the UoM is assigned to the product in the relevant views (e.g., Basic Data, Sales, Purchasing).
  
  
  
  Review Related Tables:
  
  Check the specific table mentioned in the error message to see if the UoM is missing for the product.
  You may need to look into tables like MARA (General Material Data) or MARM (Units of Measure for Material) to verify the entries.
  
  
  
  Data Synchronization:
  
  If you are using multiple systems (e.g., SAP ECC and SAP APO), ensure that the data is synchronized correctly.
  Check for any recent changes or updates that may not have been propagated to all systems.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the error message for any specific guidance or patches that may address the issue.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CUNI, MM03, MM02, and MM01 for UoM and material master data management.
  SAP Notes: Search for SAP Notes related to GPSC128 for any known issues or fixes.
  Master Data Management: Understanding the importance of maintaining accurate master data in SAP is crucial for avoiding such errors.
  
  By following these steps, you should be able to identify and resolve the cause of the GPSC128 error in your SAP system.