How To Fix WB2BDOTCOM401 - User name exists already, only changing profile and customer

WB2BDOTCOM401 - Overview

• Message type: E = Error

• Message class: WB2BDOTCOM -

• Message number: 401

• Message text: User name exists already, only changing profile and customer

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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WB2BDOTCOM401 - Details

• The SAP error message WB2BDOTCOM401 indicates that there is an issue with user account creation or modification in the SAP system. Specifically, it means that the username you are trying to create or modify already exists in the system, and the operation you are attempting is not allowed because of this conflict.
  
  Cause:
  
  Existing Username: The username you are trying to create or modify already exists in the SAP system.
  Profile/Customer Change: The operation you are attempting involves changing the profile or customer associated with the existing username, which is not permitted if the username is already in use.
  
  
  Solution:
  
  Check Existing Users: Verify if the username already exists in the system. You can do this by using transaction codes like SU01 (User Maintenance) to search for the username.
  Modify Existing User: If the username exists and you need to change the profile or customer, you should modify the existing user instead of trying to create