How To Fix FS4_BPU_SDM006 - Duplicate User ID &1 detected for Business Partner &2.

FS4_BPU_SDM006 - Overview

• Message type: E = Error

• Message class: FS4_BPU_SDM - Log messages for SDM

• Message number: 006

• Message text: Duplicate User ID &1 detected for Business Partner &2.

Self-Explanatory Message

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FS4_BPU_SDM006 - Details

• The SAP error message FS4_BPU_SDM006 indicates that there is a duplicate User ID detected for a Business Partner in the system. This typically occurs when you are trying to create or update a Business Partner (BP) and the User ID you are attempting to assign is already associated with another Business Partner.
  
  Cause:
  
  Duplicate User ID: The User ID you are trying to assign to the Business Partner already exists in the system for another Business Partner.
  Data Migration Issues: If you are migrating data from another system or performing mass uploads, there may be unintentional duplicates.
  User ID Assignment Logic: The logic used to assign User IDs may not be properly configured, leading to conflicts.
  
  
  Solution:
  
  
  Check Existing User IDs: 
  
  Use transaction codes like BP (Business Partner) or SU01 (User Maintenance) to check if the User ID is already assigned to another Business Partner.
  If it is, you may need to either use a different User