How To Fix /IWFND/CM_UM003 - User Mapping not unique for SAP system user &1

/IWFND/CM_UM003 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_UM -

• Message number: 003

• Message text: User Mapping not unique for SAP system user &1

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_UM003 - User Mapping not unique for SAP system user &1 ?

  The SAP error message /IWFND/CM_UM003 User Mapping not unique for SAP system user &1 typically occurs in the context of SAP Gateway and OData services. This error indicates that there are multiple user mappings for the same SAP system user, which leads to ambiguity in determining which mapping to use.
  
  Cause:
  
  
  Multiple User Mappings: The primary cause of this error is that there are multiple entries in the user mapping table for the same SAP user. This can happen if:
  
  The user has been assigned multiple roles or identities in the system.
  There are duplicate entries in the user mapping configuration.
  
  
  
  
  Configuration Issues: Incorrect or incomplete configuration of the user mapping settings in the SAP Gateway can also lead to this error.
  
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check User Mappings:
  
  Go to transaction code /IWFND/MAINT_SERVICE in the SAP GUI.
  Check the user mapping settings for the specific user mentioned in the error message.
  Look for duplicate