How To Fix BS_PERIOD063 - Weekday number determination not possible using BAdI CALENDAR_DEFINITION

SAP Error Message - Details

• Message type: E = Error

• Message class: BS_PERIOD - BS Period Toolset - Message Class

• Message number: 063

• Message text: Weekday number determination not possible using BAdI CALENDAR_DEFINITION

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BS_PERIOD063 - Weekday number determination not possible using BAdI CALENDAR_DEFINITION ?

  The SAP error message BS_PERIOD063 indicates that the system is unable to determine the weekday number for a specific date using the Business Add-In (BAdI) CALENDAR_DEFINITION. This typically occurs in scenarios where the system is trying to calculate or validate dates, such as in planning or scheduling applications.
  Cause:
  
  BAdI Implementation Issues: The BAdI CALENDAR_DEFINITION may not be properly implemented or activated. If the implementation is missing or incorrectly coded, the system will not be able to determine the weekday number.
  Calendar Configuration: There may be issues with the calendar configuration in the system. This includes missing or incorrect entries in the calendar tables.
  Date Format Issues: The date being processed may not be in the expected format, leading to failures in determining the weekday.
  System Settings: The system settings related to date and time may not be configured correctly, affecting the ability to calculate weekdays.
  
  Solution:
  
  
  Check BAdI Implementation:
  
  Go to transaction SE19 (BAdI Implementation) and check if the BAdI CALENDAR_DEFINITION is implemented correctly.
  If it is not implemented, you may need to create an implementation or adjust the existing one to ensure it correctly calculates the weekday.
  
  
  
  Review Calendar Configuration:
  
  Check the calendar settings in transaction SCAL (Maintain Calendar) to ensure that the calendar is correctly defined and that all necessary entries are present.
  Ensure that the calendar is active and that the relevant date ranges are correctly set.
  
  
  
  Validate Date Formats:
  
  Ensure that the date being processed is in the correct format. You can check the format settings in transaction SU01 (User Maintenance) under the user profile settings.
  
  
  
  Check System Settings:
  
  Review the system settings related to date and time. This can include checking the time zone settings and ensuring that the system clock is accurate.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the BAdI implementation to identify where the failure occurs. This can provide insights into what specific part of the code is causing the issue.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the BAdI CALENDAR_DEFINITION for any known issues or additional configuration steps that may be required.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on the BAdI.
  Transaction Codes:
  
  SE19: BAdI Implementation
  SCAL: Maintain Calendar
  SE80: Object Navigator (for checking the BAdI implementation)
  
  
  SAP Community: Consider searching or posting in the SAP Community forums for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify and resolve the cause of the BS_PERIOD063 error in your SAP system.