How To Fix CRD_MDA120 - Error: Portal user &1 and system user &2 do not match

CRD_MDA120 - Overview

• Message type: E = Error

• Message class: CRD_MDA - Messages for Master Data Administration - Credentialing

• Message number: 120

• Message text: Error: Portal user &1 and system user &2 do not match

What causes this issue?

User &v1& of <ZK>SAP NetWeaver Portal</> and the current user &v2& in
the back-end ABAP system are <ZH>not</> identical.

System Response

The current process is canceled with a message.

How to fix this error?

Check that the user of <ZK>SAP NetWeaver Portal</> and the user of the
back-end ABAP system match. The error may be caused by an incorrect
setting of the RFC connection parameters.

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 CRD_MDA120 - Error: Portal user &1 and system user &2 do not match ?

  The SAP error message CRD_MDA120 indicates a mismatch between the portal user and the system user. This typically occurs in scenarios where there is an integration between SAP systems and a portal, such as SAP NetWeaver Portal or SAP Fiori Launchpad. The error suggests that the user trying to access a resource in the portal does not match the expected user in the backend system.
  
  Cause:
  
  User Mismatch: The user logged into the portal does not correspond to the user in the backend system (e.g., SAP ERP, SAP S/4HANA).
  User Mapping Issues: There may be issues with the user mapping configuration between the portal and the backend system.
  Single Sign-On (SSO) Configuration: If SSO is configured, there might be a problem with the SSO setup that is causing the user credentials to not be passed correctly.
  User Roles and Authorizations: The user may not have the necessary roles or authorizations in the backend system to