How To Fix MD762 - Production lot and reference production lot must be different

SAP Error Message - Details

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 762

• Message text: Production lot and reference production lot must be different

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MD762 - Production lot and reference production lot must be different ?

  The SAP error message MD762 ("Production lot and reference production lot must be different") typically occurs in the context of production planning and execution, particularly when dealing with production orders and lot management. This error indicates that there is an attempt to use the same production lot as both the production lot and the reference production lot, which is not allowed.
  Cause:
  
  Same Lot Assignment: The production order is trying to reference the same lot for both the production lot and the reference lot. This can happen if the system is configured to automatically assign lots and the same lot is being selected for both roles.
  Configuration Issues: There may be issues in the configuration of the lot management settings in SAP, leading to incorrect lot assignments.
  User Input Error: A user may have manually entered the same lot number in both fields during the production order creation or processing.
  
  Solution:
  
  Check Lot Assignments: Review the production order and ensure that the production lot and reference production lot are different. If they are the same, change one of them to a different lot.
  Review Configuration: If this issue occurs frequently, review the configuration settings for lot management in SAP. Ensure that the system is set up correctly to handle lot assignments.
  User Training: Provide training to users on how to correctly assign production lots and reference lots to avoid this error in the future.
  System Updates: If the issue persists, consider checking for any SAP notes or updates that may address this specific error or related functionality.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CO01 (Create Production Order), CO02 (Change Production Order), or CO03 (Display Production Order) to manage production orders.
  Lot Management: Familiarize yourself with the lot management functionality in SAP, including how to create and manage lots.
  SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this error or provide additional guidance.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.