How To Fix /SAPAPO/SEQ545 - Reference calendar &1 inconsistent. Repair using TA /SAPAPO/CALENDAR.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SEQ -

• Message number: 545

• Message text: Reference calendar &1 inconsistent. Repair using TA /SAPAPO/CALENDAR.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SEQ545 - Reference calendar &1 inconsistent. Repair using TA /SAPAPO/CALENDAR. ?

  The SAP error message /SAPAPO/SEQ545 Reference calendar &1 inconsistent. Repair using TA /SAPAPO/CALENDAR typically occurs in the SAP Advanced Planning and Optimization (APO) module. This error indicates that there is an inconsistency in the reference calendar specified in the system. The reference calendar is crucial for planning processes as it defines working days, holidays, and other time-related parameters.
  Cause:
  
  Inconsistent Data: The reference calendar may have missing or incorrect entries, such as holidays or working days that do not align with the defined planning periods.
  Changes in Configuration: If there have been recent changes to the calendar configuration or if the calendar was modified without proper updates to related planning objects, inconsistencies can arise.
  Data Migration Issues: If data was migrated from another system or if there were updates to the calendar that were not properly executed, this can lead to inconsistencies.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Access Transaction Code: Use transaction code /SAPAPO/CALENDAR to access the calendar maintenance screen.
  
  
  Check the Reference Calendar: 
  
  Enter the reference calendar number that is indicated in the error message.
  Review the calendar entries for any inconsistencies, such as missing holidays or incorrect working days.
  
  
  
  Repair Inconsistencies:
  
  If you find any inconsistencies, correct them by adding or modifying the necessary entries.
  Ensure that all required holidays and working days are accurately defined.
  
  
  
  Save Changes: After making the necessary corrections, save the changes to the calendar.
  
  
  Re-run the Process: After repairing the calendar, re-run the process that triggered the error to see if the issue is resolved.
  
  
  Related Information:
  
  Documentation: Refer to SAP documentation for detailed information on calendar configuration in APO.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  Testing: After making changes, it is advisable to test the planning processes to ensure that the calendar is functioning correctly and that no further inconsistencies exist.
  
  If the problem persists after following these steps, it may be necessary to consult with your SAP Basis or APO support team for further investigation.