How To Fix OM122 - Acct assgmt already defined

SAP Error Message - Details

• Message type: E = Error

• Message class: OM - Customizing Materialwirtschaft

• Message number: 122

• Message text: Acct assgmt already defined

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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Smart SAP Assistant

• What is the cause and solution for SAP error message OM122 - Acct assgmt already defined ?

  The SAP error message OM122 ("Account assignment already defined") typically occurs in the context of configuring account assignments in SAP, particularly when dealing with controlling (CO) or financial accounting (FI) settings. This error indicates that an account assignment (such as a cost center, internal order, or project) has already been defined for a particular combination of parameters, and the system does not allow duplicate entries.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that you are trying to create a new account assignment that already exists in the system for the same combination of parameters.
  Configuration Issues: There may be issues in the configuration settings where the same account assignment is inadvertently defined multiple times.
  Data Consistency: The error can also arise from inconsistencies in the data, such as when changes are made to account assignments without proper checks.
  
  Solution:
  
  Check Existing Assignments: Review the existing account assignments in the relevant configuration area (e.g., cost centers, internal orders) to see if the assignment you are trying to create already exists.
  Modify Existing Assignment: If the assignment already exists and you need to make changes, consider modifying the existing entry instead of creating a new one.
  Delete Duplicate Entries: If you find duplicate entries that are not needed, you can delete them to resolve the conflict.
  Consult Documentation: Refer to SAP documentation or configuration guides for the specific module you are working with to ensure that you are following the correct procedures.
  Check Authorization: Ensure that you have the necessary authorizations to make changes to account assignments, as lack of permissions can sometimes lead to misleading error messages.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like OKB9 (for cost center assignments) or KOB1 (for internal orders) when encountering this error.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific configuration and setup.
  
  By following these steps, you should be able to identify the cause of the OM122 error and implement a solution to resolve it.