How To Fix LF_SER031 - Serial number can only be assigned after picking is performed

SAP Error Message - Details

• Message type: E = Error

• Message class: LF_SER -

• Message number: 031

• Message text: Serial number can only be assigned after picking is performed

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 LF_SER031 - Serial number can only be assigned after picking is performed ?

  The SAP error message LF_SER031 indicates that a serial number can only be assigned after the picking process has been completed. This error typically occurs in the context of inventory management and logistics, particularly when dealing with items that require serial number tracking.
  Cause:
  The error arises when you attempt to assign a serial number to a material that has not yet been picked. In SAP, the process of picking is a prerequisite for assigning serial numbers to ensure that the serial numbers correspond to the actual physical items being handled.
  Solution:
  To resolve the LF_SER031 error, you should follow these steps:
  
  
  Complete the Picking Process: Ensure that the picking process for the relevant material is completed. This involves confirming that the items have been picked from the warehouse and are ready for further processing.
  
  
  Check Picking Status: Verify the status of the picking document. You can do this by checking the relevant delivery or transfer order in the system to ensure that the picking has been confirmed.
  
  
  Re-attempt Serial Number Assignment: Once the picking is confirmed, you can attempt to assign the serial number again. This should now be possible without encountering the error.
  
  
  Review Configuration: If the issue persists, review the configuration settings related to serial number management in your SAP system. Ensure that the settings align with your business processes and that there are no restrictions preventing serial number assignment.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for additional guidance on serial number management and picking processes.
  
  
  Related Information:
  
  Serial Number Management: Understand how serial numbers are managed in SAP, including the configuration settings and processes involved.
  Picking Process: Familiarize yourself with the picking process in SAP, including how to create and confirm picking documents.
  Transaction Codes: Use relevant transaction codes such as VL01N (Create Outbound Delivery), VL02N (Change Outbound Delivery), or LT03 (Convert TO) to manage deliveries and picking.
  SAP Notes: Check for any SAP Notes related to this error message for potential bug fixes or additional guidance.
  
  By following these steps, you should be able to resolve the LF_SER031 error and successfully assign serial numbers to your materials.