How To Fix BT261 - Unknown error during factory calendar check

SAP Error Message - Details

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 261

• Message text: Unknown error during factory calendar check

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BT261 - Unknown error during factory calendar check ?

  The SAP error message BT261, which states "Unknown error during factory calendar check," typically occurs when there is an issue related to the factory calendar settings in the SAP system. This error can arise in various contexts, such as during planning, scheduling, or when executing transactions that depend on the factory calendar.
  Causes:
  
  Incorrect Factory Calendar Configuration: The factory calendar may not be set up correctly, or there may be inconsistencies in the calendar settings.
  Missing or Inactive Calendar: The factory calendar that is being referenced may not exist or may be inactive.
  Date Issues: The date being processed may fall outside the defined working days or periods in the factory calendar.
  System Bugs: There may be a bug or issue in the SAP system that is causing the error to be thrown unexpectedly.
  Authorization Issues: Lack of proper authorizations to access or modify the factory calendar settings.
  
  Solutions:
  
  
  Check Factory Calendar Configuration:
  
  Go to the transaction code SCAL (Maintain Factory Calendar) and verify that the factory calendar is correctly configured.
  Ensure that the calendar is active and that the working days and holidays are defined properly.
  
  
  
  Verify Calendar Assignment:
  
  Ensure that the correct factory calendar is assigned to the relevant organizational units (e.g., plants, storage locations).
  Check the assignment in the configuration settings for the specific module you are working with (e.g., Production Planning, Materials Management).
  
  
  
  Review Dates:
  
  Check the date being processed when the error occurs. Ensure that it falls within the valid range of the factory calendar.
  If necessary, adjust the date or the calendar settings to accommodate the required dates.
  
  
  
  Check for System Notes or Patches:
  
  Look for any SAP Notes or patches that may address known issues related to the factory calendar. You can search for relevant notes in the SAP Support Portal.
  
  
  
  Authorization Check:
  
  Ensure that the user executing the transaction has the necessary authorizations to access and modify factory calendar settings.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the program or transaction that is generating the error to identify the root cause.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SCAL - Maintain Factory Calendar
  OVZB - Assign Factory Calendar to Plant
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal for any known issues or fixes related to the BT261 error.
  Documentation: Review SAP documentation related to factory calendars and their configuration to ensure compliance with best practices.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team for further investigation.