How To Fix MM309 - Enter the valuation class for the previous period/year

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 309

• Message text: Enter the valuation class for the previous period/year

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MM309 - Enter the valuation class for the previous period/year ?

  The SAP error message MM309 ("Enter the valuation class for the previous period/year") typically occurs in the context of inventory management and material valuation. This error indicates that the system requires a valuation class for a material in the previous period or year, which is necessary for various financial and inventory-related processes.
  Cause:
  
  Missing Valuation Class: The valuation class for the material in the previous period or year is not defined in the system.
  Data Inconsistency: There may be inconsistencies in the material master data or the configuration settings related to valuation classes.
  Period Closing: The error may arise during the period-end closing process when the system tries to access data from a previous period or year.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Verify that the valuation class is correctly assigned to the material in the relevant views (e.g., Accounting view).
  If the valuation class is missing, you may need to update the material master with the correct valuation class.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings for valuation classes in the SAP system (transaction code OBYC).
  Ensure that the valuation class is properly defined and linked to the appropriate general ledger accounts.
  
  
  
  Adjust Previous Period Data:
  
  If the error occurs during a closing process, ensure that all necessary data for the previous period is complete and accurate.
  You may need to run reports or transactions to correct any discrepancies in the previous period's data.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific guidance on handling valuation classes and related errors.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Valuation Class: This is a key component in SAP that determines how materials are valued and how they are linked to financial accounts.
  Material Master: The material master record contains all the information related to a material, including its valuation class, which is crucial for inventory valuation and financial reporting.
  Transaction Codes:
  
  MM03: Display Material Master
  OBYC: Configure Automatic Postings
  MB1A, MB1B, MB1C: Various inventory posting transactions that may trigger this error.
  
  
  
  By addressing the missing valuation class and ensuring data consistency, you should be able to resolve the MM309 error in SAP.