How To Fix ICA02124 - Leading unit field cannot be same with its superordinate field.

SAP Error Message - Details

• Message type: E = Error

• Message class: ICA02 - ICA Matching Engine Message Class

• Message number: 124

• Message text: Leading unit field cannot be same with its superordinate field.

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 ICA02124 - Leading unit field cannot be same with its superordinate field. ?

  The SAP error message ICA02124, which states "Leading unit field cannot be same with its superordinate field," typically occurs in the context of configuration or data entry in SAP, particularly when dealing with organizational structures or master data.
  Cause:
  This error arises when there is an attempt to assign a leading unit (such as a company code or a plant) that is identical to its superordinate field (such as a controlling area or a higher-level organizational unit). In SAP, each organizational unit must have a unique identifier, and the system enforces this rule to maintain data integrity and proper hierarchical relationships.
  Solution:
  To resolve this error, you should:
  
  
  Check the Configuration: Review the configuration settings for the organizational units involved. Ensure that the leading unit is not set to the same value as its superordinate field.
  
  
  Modify the Assignment: If you are trying to create or modify an organizational unit, change the leading unit to a different value that does not conflict with its superordinate field.
  
  
  Review Master Data: If this error occurs during data entry, check the master data records for the relevant organizational units. Ensure that they are correctly defined and that there are no duplicates.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the organizational structure you are working with, as the exact steps may vary depending on the module (e.g., FI, CO, MM).
  
  
  Seek Help from SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  Related Information:
  
  Organizational Structure: Understanding the hierarchy of organizational units in SAP is crucial. Familiarize yourself with how company codes, plants, and controlling areas relate to each other.
  Transaction Codes: You may need to use specific transaction codes (like OX15 for company code settings or OX02 for plant settings) to review and modify organizational unit configurations.
  SAP Notes: Check for any relevant SAP Notes that might address this error or provide additional context or solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.