How To Fix /SAPAPO/MSDP_SEASON123 - Seasons can only be used once in a season year

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MSDP_SEASON -

• Message number: 123

• Message text: Seasons can only be used once in a season year

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MSDP_SEASON123 - Seasons can only be used once in a season year ?

  The SAP error message /SAPAPO/MSDP_SEASON123 indicates that there is an issue with the use of seasons in the SAP Advanced Planning and Optimization (APO) module, specifically in the context of seasonal planning. The error message states that a particular season can only be used once in a given season year. This typically occurs when there is an attempt to assign the same season multiple times within the same year, which is not allowed.
  Cause:
  
  Duplicate Season Assignment: The most common cause of this error is that the same season has been assigned to multiple planning objects (like products or locations) within the same season year.
  Incorrect Configuration: There may be a configuration issue in the seasonal planning setup, where the same season is inadvertently being reused.
  Data Entry Error: Manual data entry errors can lead to the same season being assigned multiple times.
  
  Solution:
  
  Check Season Assignments: Review the season assignments for the relevant planning objects. Ensure that each season is assigned only once per season year.
  Modify Planning Objects: If you find that a season has been assigned multiple times, you will need to modify the planning objects to ensure that each season is unique within the season year.
  Review Configuration: Check the configuration settings for seasonal planning in SAP APO to ensure that they are set up correctly and that there are no conflicting settings.
  Data Validation: Implement data validation checks to prevent duplicate season assignments in the future.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/SEASON to manage seasons or /SAPAPO/DP for demand planning to review and adjust your seasonal settings.
  Documentation: Refer to SAP Help documentation for detailed information on seasonal planning and how to manage seasons effectively.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error message.
  
  If the problem persists after checking these areas, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.