How To Fix KO309 - & invalid according to factory calendar &; prev. workday: &

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 309

• Message text: & invalid according to factory calendar &; prev. workday: &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message KO309 - & invalid according to factory calendar &; prev. workday: & ?

  The SAP error message KO309 typically indicates an issue related to the factory calendar and the scheduling of workdays in the context of production orders or cost center planning. The error message suggests that the system is unable to find a valid workday according to the factory calendar for the specified date, which can occur in various scenarios, such as when trying to schedule production or when performing cost allocations.
  Cause:
  
  Invalid Date: The date being referenced may not be a valid workday according to the factory calendar.
  Factory Calendar Configuration: The factory calendar may not be set up correctly, or the specific date may fall on a holiday or non-working day.
  Previous Workday Reference: The system is trying to reference a previous workday that does not exist in the factory calendar.
  Date Format Issues: There may be issues with the date format or the way dates are being interpreted by the system.
  
  Solution:
  
  
  Check Factory Calendar:
  
  Go to the transaction code SCAL to review the factory calendar settings.
  Ensure that the calendar is correctly configured with the appropriate working days and holidays.
  
  
  
  Verify Dates:
  
  Check the date being referenced in the error message. Ensure it is a valid workday according to the factory calendar.
  If you are trying to schedule a production order, ensure that the start and end dates fall on valid workdays.
  
  
  
  Adjust Scheduling:
  
  If the date is invalid, adjust the scheduling of the production order or cost center planning to fall on a valid workday.
  You may need to reschedule the order or change the dates in the planning process.
  
  
  
  Review Previous Workday Logic:
  
  If the error references a previous workday, ensure that the logic used to determine the previous workday is functioning correctly and that it is not trying to reference a non-existent day.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for specific guidance related to your configuration and version of SAP.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO01 (Create Production Order), CO02 (Change Production Order), and SCAL (Maintain Factory Calendar).
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Exits and BAdIs: If custom logic is implemented in your SAP system, review any user exits or BAdIs that may affect scheduling and factory calendar logic.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP support team or consult with an SAP expert for further troubleshooting.