How To Fix /SAPAPO/RELH027 - Period &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RELH -

• Message number: 027

• Message text: Period &1 already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RELH027 - Period &1 already exists ?

  The SAP error message /SAPAPO/RELH027 Period &1 already exists typically occurs in the context of SAP Advanced Planning and Optimization (APO) when you are trying to create or modify a planning period that overlaps with an existing period. This error indicates that the system has detected a conflict with the specified period, which is already defined in the system.
  Cause:
  
  Overlapping Periods: The most common cause of this error is that the period you are trying to create or modify overlaps with an existing period in the planning book or data model.
  Incorrect Date Range: The start and end dates of the new period may not be set correctly, leading to a conflict with existing periods.
  Configuration Issues: There may be issues with the configuration of the planning book or the data model that allow for overlapping periods.
  
  Solution:
  
  Check Existing Periods: Review the existing periods in the planning book or data model to identify the period that is causing the conflict. You can do this by navigating to the relevant planning book and checking the defined periods.
  Modify the New Period: If the new period overlaps with an existing one, adjust the start and end dates of the new period to ensure that it does not conflict with existing periods.
  Delete or Adjust Existing Periods: If the existing period is no longer needed, consider deleting it or adjusting its dates to resolve the conflict.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on managing periods in APO, as there may be specific steps or best practices to follow.
  Check Configuration: If the issue persists, review the configuration settings for the planning book and data model to ensure that they are set up correctly and do not allow for overlapping periods.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as /SAPAPO/SDP94 (for planning book maintenance) or /SAPAPO/MC62 (for managing periods) to access the relevant settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Authorization: Ensure that you have the necessary authorizations to create or modify periods in the planning book.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or APO support team for further assistance.