How To Fix /SAPAPO/CAL057 - Calendar &1: Period (&2;&3) can not be created, entry already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CAL -

• Message number: 057

• Message text: Calendar &1: Period (&2;&3) can not be created, entry already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CAL057 - Calendar &1: Period (&2;&3) can not be created, entry already exists ?

  The SAP error message /SAPAPO/CAL057 indicates that there is an attempt to create a calendar period that already exists in the system. This error typically occurs in the context of SAP Advanced Planning and Optimization (APO) when working with calendars and planning periods.
  Cause:
  The error is caused by the following:
  
  You are trying to create a calendar period (e.g., a week, month, or year) that has already been defined in the system.
  The specified period (identified by the parameters &2 and &3) overlaps with an existing period in the calendar &1.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Calendar Entries:
  
  Go to the transaction code /SAPAPO/CAL (or the relevant transaction for calendar management).
  Review the existing calendar entries to see if the period you are trying to create already exists.
  
  
  
  Modify or Delete Existing Period:
  
  If the period already exists and you need to create a new one, consider modifying the existing period if applicable.
  If the existing period is no longer needed, you may delete it, but ensure that this action does not affect other planning processes.
  
  
  
  Adjust the New Period:
  
  If the new period overlaps with an existing one, adjust the start and end dates of the new period to avoid conflicts.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for more details on calendar management and period definitions.
  
  
  
  Check for Custom Logic:
  
  If there are any custom developments or enhancements in your SAP system that might affect calendar management, review those as well.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/CAL for calendar management.
  SAP Notes: Check SAP Notes for any known issues or patches related to calendar management in APO.
  User Authorization: Ensure that you have the necessary authorizations to create or modify calendar entries.
  System Logs: Review system logs for any additional error messages or warnings that might provide more context about the issue.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.