How To Fix /PM0/ABD_PR_MESSAGE026 - Share segment of type "leading" already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABD_PR_MESSAGE -

• Message number: 026

• Message text: Share segment of type "leading" already exists

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABD_PR_MESSAGE026 - Share segment of type "leading" already exists ?

  The SAP error message /PM0/ABD_PR_MESSAGE026 indicates that there is an attempt to create or define a share segment of type "leading" that already exists in the system. This typically occurs in the context of managing share segments in the SAP system, particularly in the area of project management or financial accounting.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that there is already a leading share segment defined in the system for the same project or context. This can happen if there was an attempt to create a new leading share segment without first checking if one already exists.
  Configuration Issues: There may be issues in the configuration settings that allow for the creation of multiple leading share segments.
  Data Consistency: There might be inconsistencies in the data that lead to the system not recognizing the existing leading share segment.
  
  Solution:
  
  Check Existing Share Segments: Before creating a new leading share segment, check the existing share segments in the system. You can do this by navigating to the relevant transaction or using the appropriate report to list existing share segments.
  Modify Existing Segment: If a leading share segment already exists and you need to make changes, consider modifying the existing segment instead of creating a new one.
  Delete Duplicate Entries: If you find that there are indeed duplicate entries that should not exist, you may need to delete the unnecessary ones. Ensure that you have the proper authorizations and that you back up any necessary data before deletion.
  Consult Documentation: Review the SAP documentation or help files related to share segments to ensure that you are following the correct procedures for creating and managing them.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that deal with share segments, such as CJ20N for project management or S_ALR_87013558 for financial reports.
  SAP Notes: Check for any SAP Notes related to this error message. SAP frequently releases notes that address known issues and provide solutions or workarounds.
  User Authorizations: Ensure that you have the necessary authorizations to create or modify share segments, as lack of permissions can sometimes lead to unexpected errors.
  
  By following these steps, you should be able to resolve the error and manage share segments effectively in your SAP system.