How To Fix COM_PRCAT121 - Internal error in where-used list (COM_PME_CLASS_GET_XREF)

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_PRCAT - Product Category

• Message number: 121

• Message text: Internal error in where-used list (COM_PME_CLASS_GET_XREF)

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.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message COM_PRCAT121 - Internal error in where-used list (COM_PME_CLASS_GET_XREF) ?

  The SAP error message COM_PRCAT121 indicates an internal error related to the "where-used list" functionality in the SAP system, specifically in the context of the Product Master or similar areas. This error typically arises when the system encounters an issue while trying to retrieve or display the relationships between different objects, such as materials, classes, or characteristics.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies or corruption in the data related to the product master or classification data.
  System Bugs: The error could be due to a bug in the SAP system or a specific transaction code that is not functioning as expected.
  Authorization Issues: Sometimes, the error can occur if the user does not have the necessary authorizations to access certain data.
  Configuration Issues: Incorrect configuration settings in the classification system or product master could lead to this error.
  Database Issues: Problems with the underlying database, such as locks or corruption, can also trigger this error.
  
  Solutions:
  
  
  Check for Data Inconsistencies:
  
  Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check the relevant tables for inconsistencies.
  Run consistency checks for the classification data.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the product master and classification data.
  
  
  
  Check SAP Notes:
  
  Search the SAP Support Portal for any relevant SAP Notes that address this specific error. There may be patches or updates available that resolve the issue.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can analyze the program flow to identify where the error occurs. This may require assistance from a developer or SAP Basis team.
  
  
  
  System Logs:
  
  Check the system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant logs or screenshots.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), CL02 (Display Class), and CL03 (Display Characteristics) to navigate the product master and classification data.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to the classification system and product master for best practices and troubleshooting steps.
  
  By following these steps, you should be able to diagnose and potentially resolve the COM_PRCAT121 error in your SAP system.