How To Fix RMSL_WUI288 - Package list with key &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: RMSL_WUI - Labeling Web UI: RMSL Class Messages Converted for Web UI

• Message number: 288

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

What causes this issue?

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

System Response

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

How to fix this error?

When you create the package 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message RMSL_WUI288 - Package list with key &1 already exists ?

  The SAP error message RMSL_WUI288, which states "Package list with key &1 already exists," typically occurs in the context of SAP Retail or SAP S/4HANA when you are trying to create or modify a package list that already exists in the system. This error indicates that the system has detected a duplicate entry for the package list you are trying to create.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that a package list with the same key (identifier) already exists in the database.
  Incorrect Data Entry: There may have been a mistake in the data entry process, leading to an attempt to create a package list with an existing key.
  System Configuration: In some cases, system configuration or custom developments may lead to conflicts in package list creation.
  
  Solution:
  
  
  Check Existing Package Lists: Before creating a new package list, check the existing package lists in the system to see if the one you are trying to create already exists. You can do this by navigating to the relevant transaction or using the appropriate report.
  
  
  Use a Different Key: If you find that the package list already exists, consider using a different key or identifier for the new package list you are trying to create.
  
  
  Modify Existing Package List: If the existing package list is not being used or can be modified, consider updating it instead of creating a new one.
  
  
  Consult Documentation: Review the SAP documentation or help files related to package lists to ensure you are following the correct procedures for creating or modifying them.
  
  
  Check for Custom Developments: If your organization has custom developments or enhancements related to package lists, check with your technical team to see if there are any known issues or conflicts.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration or version.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that deal with package lists, such as those used for creating, modifying, or displaying package lists.
  SAP Notes: Search for SAP Notes related to the error message RMSL_WUI288 in the SAP Support Portal. There may be specific notes addressing this issue with additional guidance or patches.
  User Permissions: Ensure that you have the necessary permissions to create or modify package lists in the system, as permission issues can sometimes lead to unexpected errors.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.