How To Fix V1871 - Serial number &1 has already been assigned to another action

SAP Error Message - Details

• Message type: E = Error

• Message class: V1 - Verkaufsbelegbearbeitung

• Message number: 871

• Message text: Serial number &1 has already been assigned to another action

What causes this issue?

You want to assign serial number &V1& to the current item.

System Response

The serial number has already been assigned to action &V2& (item &V3&).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message V1871 - Serial number &1 has already been assigned to another action ?

  The SAP error message V1871 indicates that a serial number you are trying to assign to a particular action (such as a delivery, sales order, or service order) has already been assigned to another action. This typically occurs in scenarios where serial number management is enabled, and the system is designed to prevent the same serial number from being used in multiple transactions simultaneously.
  
  Cause:
  
  Duplicate Assignment: The serial number you are trying to use has already been assigned to another document or transaction in the system.
  Incorrect Transaction Flow: The serial number may have been assigned in a previous transaction that was not completed or was incorrectly processed.
  Data Integrity Issues: There may be inconsistencies in the database or issues with the way serial numbers are being tracked.
  
  
  Solution:
  
  
  Check Serial Number Assignment:
  
  Use transaction code IQ03 (Display Serial Number) to check the current status of the serial number. This will show you where the serial