How To Fix L3840 - Entered HU number has already been recorded

L3840 - Overview

• Message type: E = Error

• Message class: L3 -

• Message number: 840

• Message text: Entered HU number has already been recorded

What causes this issue?

The HU number you entered has already been assigned to this TO.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter a HU number or have the system propose a new HU number.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message L3840 - Entered HU number has already been recorded ?

  The SAP error message L3840, which states "Entered HU number has already been recorded," typically occurs when you are trying to process a Handling Unit (HU) that has already been assigned or recorded in the system. This can happen in various scenarios, such as during goods receipt, goods issue, or inventory management processes.
  
  Cause:
  
  Duplicate Entry: The Handling Unit number you are trying to enter has already been used in the system for another transaction.
  Incorrect HU Management: The system may not be properly managing the lifecycle of the Handling Units, leading to conflicts.
  System Configuration: There may be configuration settings in the SAP system that enforce unique HU numbers, and the entered number violates this rule.
  
  
  Solution:
  
  
  Verify HU Number: Check if the HU number you are trying to enter is indeed already recorded. You can do this by searching for the HU in the system using transaction codes like HU02 (Display Handling Unit) or