How To Fix 61123 - Error determining planning periods for calendar &

SAP Error Message - Details

• Message type: E = Error

• Message class: 61 - Fehlermeldungen fuer Bedarfsplanung

• Message number: 123

• Message text: Error determining planning periods for calendar &

What causes this issue?

The system could not determine sufficient planning periods by the
planning calendar to group requirements by planning calendar periods
for all the requirements planned in the future.

System Response

When a material is planned by using the <ZH>periodical lot size by
planning calendar</>, sufficient periods must be calculated to group
requirements by the planning calendar for all requirements.

How to fix this error?

Rework the planning calendar with which the material was planned, which
means calculate new planning calendar periods.
To do this, go to Customizing for MRP, under the activity
<DS:TRAN.MD26>Change PPC periods</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 61123 - Error determining planning periods for calendar & ?

  The SAP error message 61123, which states "Error determining planning periods for calendar &," typically occurs in the context of planning and forecasting within SAP systems, particularly in modules like SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO). This error indicates that the system is unable to determine the planning periods based on the specified calendar.
  Causes:
  
  Incorrect Calendar Configuration: The calendar specified in the planning run may not be correctly configured or may not exist in the system.
  Missing Planning Periods: The planning periods for the specified calendar may not be defined or may have been deleted.
  Date Range Issues: The date range specified for the planning run may not align with the defined planning periods in the calendar.
  Authorization Issues: The user may not have the necessary authorizations to access the calendar or the planning periods.
  System Settings: There may be inconsistencies in the system settings related to planning and forecasting.
  
  Solutions:
  
  
  Check Calendar Configuration:
  
  Go to the relevant transaction (e.g., /SAPAPO/MC62 for APO) and verify that the calendar is correctly defined.
  Ensure that the calendar is active and has the necessary planning periods defined.
  
  
  
  Define Planning Periods:
  
  If planning periods are missing, define them in the calendar settings. Ensure that the periods cover the required date range for your planning activities.
  
  
  
  Review Date Ranges:
  
  Check the date range specified in your planning run. Ensure that it falls within the defined planning periods of the calendar.
  
  
  
  Authorization Check:
  
  Verify that the user executing the planning run has the necessary authorizations to access the calendar and planning periods.
  
  
  
  System Settings Review:
  
  Review the system settings related to planning and forecasting to ensure there are no inconsistencies or misconfigurations.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details related to the calendar and planning periods in your version of SAP.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/MC62 (for calendar maintenance) and /SAPAPO/MC73 (for planning book settings).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Support: If the issue persists after checking the above points, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the error message 61123 in your SAP system.