How To Fix RMSL288 - Package label list with key &1 already exists

RMSL288 - Overview

• Message type: E = Error

• Message class: RMSL - Labeling Application Messages

• Message number: 288

• Message text: Package label list with key &1 already exists

What causes this issue?

A package label list with this key already exists.
The key of the package label list is made up of the base quantity with
unit and a number. The number helps you differentiate between multiple
label lists with the same base quantity.

System Response

The system does not create a new package label list for this key.

How to fix this error?

When you create the package label list, choose a different base quantity
or a different number.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

RMSL288 - Details

• The SAP error message RMSL288, which states "Package label list with key &1 already exists," typically occurs in the context of SAP's Logistics Execution (LE) or Warehouse Management (WM) modules. This error indicates that there is an attempt to create a package label list with a key that already exists in the system.
  
  Cause:
  The primary cause of this error is that the system is trying to create a new package label list using a key (usually a unique identifier) that is already in use. This can happen due to:
  
  Duplicate entries being created in the system.
  An attempt to reprocess or re-create a package label list that has already been generated.
  Data inconsistencies or issues in the database.
  
  
  Solution:
  To resolve the RMSL288 error, you can take the following steps:
  
  
  Check Existing Package Label Lists:
  
  Use transaction codes like LB01 (for creating package labels) or LB02 (for displaying package labels) to check if a package label list with