How To Fix M3455 - Check the number of periods per season (default is 12)

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 455

• Message text: Check the number of periods per season (default is 12)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message M3455 - Check the number of periods per season (default is 12) ?

  The SAP error message M3455, which states "Check the number of periods per season (default is 12)," typically occurs in the context of materials management or production planning when there is an issue with the configuration of periods in seasonal planning.
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Incorrect Configuration: The number of periods defined for a season in the configuration settings does not match the expected value. The default is set to 12, which corresponds to a monthly breakdown.
  
  
  Seasonal Planning Settings: If you are using seasonal planning, the system expects a specific number of periods (e.g., 12 for monthly planning). If the configuration is set to a different number, it can lead to this error.
  
  
  Master Data Issues: There may be inconsistencies in the master data related to the material or product that is being processed, particularly in the planning views.
  
  
  Solution:
  To resolve the M3455 error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to the configuration settings for seasonal planning in SAP.
  Verify the number of periods defined for the season. Ensure it is set to 12 if you are following a monthly planning cycle.
  If you need a different number of periods, adjust the configuration accordingly.
  
  
  
  Review Master Data:
  
  Check the material master data for the affected materials. Ensure that the planning views are correctly set up and that the seasonal planning settings are consistent with your configuration.
  
  
  
  Adjust Planning Parameters:
  
  If you are using a different planning strategy or have specific requirements, adjust the planning parameters to match your business needs.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for detailed guidance on configuring seasonal planning and understanding the implications of the number of periods.
  
  
  
  Testing:
  
  After making changes, test the configuration by running the relevant planning transactions to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO (to access the configuration settings) or MM02 (to change material master data).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Forums: Consider visiting SAP community forums or user groups for insights from other users who may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the cause of the M3455 error and implement a solution to resolve it.