How To Fix LC251 - Requirements period incorrect

SAP Error Message - Details

• Message type: E = Error

• Message class: LC - Logistics Controlling

• Message number: 251

• Message text: Requirements period incorrect

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LC251 - Requirements period incorrect ?

  The SAP error message LC251 "Requirements period incorrect" typically occurs in the context of logistics and supply chain management, particularly when dealing with planning and inventory management. This error indicates that there is an issue with the requirements period defined for a particular material or planning scenario.
  Cause:
  
  Incorrect Configuration: The requirements period may not be set correctly in the material master or in the planning parameters.
  Mismatch in Dates: The requirements period may fall outside the valid range of dates for the planning horizon or may not align with the current planning cycle.
  Planning Strategy Issues: The planning strategy assigned to the material may not be compatible with the requirements period settings.
  Master Data Issues: There may be inconsistencies or missing data in the material master or related master data.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and verify the settings related to the requirements period.
  Ensure that the planning parameters are correctly defined.
  
  
  
  Review Planning Parameters:
  
  Check the planning parameters in the configuration (transaction code SPRO) to ensure that the requirements period is set correctly.
  Look for any discrepancies in the planning horizon settings.
  
  
  
  Adjust Requirements Period:
  
  If the requirements period is indeed incorrect, adjust it to align with the valid planning horizon and ensure it matches the expected time frame for the material.
  
  
  
  Check Planning Strategy:
  
  Review the planning strategy assigned to the material and ensure it is appropriate for the requirements period being used.
  
  
  
  Run MRP Again:
  
  After making the necessary adjustments, run the Material Requirements Planning (MRP) process again to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details related to the configuration of the requirements period and planning settings.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MD01 (MRP Run), SPRO (Customizing).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: Engage with SAP community forums or user groups for additional insights and solutions from other users who may have encountered the same issue.
  
  If the problem persists after following these steps, it may be beneficial to consult with an SAP specialist or your organization's SAP support team for further assistance.