How To Fix /SAPAPO/OM_ERROR123 - Invalid or incorrect category when creating a stock

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR -

• Message number: 123

• Message text: Invalid or incorrect category when creating a stock

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 /SAPAPO/OM_ERROR123 - Invalid or incorrect category when creating a stock ?

  The SAP error message /SAPAPO/OM_ERROR123 indicating "Invalid or incorrect category" typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the category of stock being created or processed. This error can arise due to several reasons, and understanding the cause is crucial for finding a solution.
  Causes:
  
  Incorrect Category Assignment: The stock category being used may not be defined correctly in the system or may not exist in the configuration.
  Master Data Issues: The material master data or the relevant planning object may not have the correct category assigned.
  Configuration Errors: There may be issues in the configuration settings related to stock categories in the APO system.
  Authorization Issues: The user may not have the necessary authorizations to create or modify the stock in the specified category.
  Data Consistency Issues: There may be inconsistencies in the data that prevent the system from recognizing the category.
  
  Solutions:
  
  
  Check Category Configuration:
  
  Go to the configuration settings in SAP APO and verify that the stock category you are trying to use is defined correctly.
  Ensure that the category is active and properly set up in the system.
  
  
  
  Review Master Data:
  
  Check the material master data for the relevant material and ensure that the correct stock category is assigned.
  If necessary, update the master data to reflect the correct category.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to create or modify stock in the specified category.
  If not, work with your SAP security team to grant the required permissions.
  
  
  
  Data Consistency Check:
  
  Run consistency checks in the system to identify any data issues that may be causing the error.
  Correct any inconsistencies found during the checks.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific error message for additional insights or updates that may address the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error and the steps you have already taken.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/OM for order management and /SAPAPO/MD for master data management.
  SAP Notes: Search for SAP Notes related to the error message for any patches or updates that may resolve the issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.