How To Fix WU146 - Module-to-store-groups assignment already exists

WU146 - Overview

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 146

• Message text: Module-to-store-groups assignment already exists

What causes this issue?

An assignment that already exists was entered in the footer of the
module store group assignment.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU146 - Module-to-store-groups assignment already exists ?

  The SAP error message WU146, which states "Module-to-store-groups assignment already exists," typically occurs in the context of SAP Retail or SAP S/4HANA when there is an attempt to create a new assignment between a module and store group that already exists in the system. This can happen during configuration or data maintenance activities.
  
  Cause:
  
  Duplicate Assignment: The primary cause of this error is that there is already an existing assignment for the specified module to the store group in the system.
  Data Entry Error: It may also occur due to incorrect data entry or an attempt to reassign a module to a store group without first removing the existing assignment.
  System Configuration: Sometimes, this can be a result of incorrect system configuration or data migration issues where duplicate records were created.
  
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Navigate to the relevant transaction in SAP (e.g., using transaction codes like WUM1 for module assignments) to check if the assignment