How To Fix SAML2_CONFIG_UI001 - Entity name "&1" is already in use (entity type &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2_CONFIG_UI - SAML2 Configuration Interface Messages

• Message number: 001

• Message text: Entity name "&1" is already in use (entity type &2)

What causes this issue?

An entity with the name "&V1&" and the entity type &V2& (L = local
entity, E = external entity, A = affiliation) already exists.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Use another name.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SAML2_CONFIG_UI001 - Entity name "&1" is already in use (entity type &2) ?

  The SAP error message SAML2_CONFIG_UI001 indicates that there is an attempt to create or configure a SAML entity (such as a Service Provider or Identity Provider) with a name that is already in use within the system. This typically occurs in the context of configuring SAML (Security Assertion Markup Language) for Single Sign-On (SSO) in SAP systems.
  Cause:
  The error is triggered when:
  
  You are trying to create a new SAML entity (e.g., a new Service Provider or Identity Provider) with a name that already exists in the SAML configuration.
  The entity name must be unique within the context of the SAML configuration, and the system prevents duplicates to avoid conflicts.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Entities:
  
  Go to the SAML configuration transaction (usually SAML2 in the SAP GUI).
  Review the list of existing entities to see if the entity name you are trying to use is already listed.
  
  
  
  Use a Different Name:
  
  If the entity name is already in use, choose a different, unique name for your new entity.
  
  
  
  Modify Existing Entity:
  
  If you intended to modify an existing entity, instead of creating a new one, select the existing entity and make the necessary changes.
  
  
  
  Delete Unused Entities:
  
  If there are old or unused entities that you no longer need, consider deleting them to free up the name for reuse. Be cautious with this step, as it may affect existing configurations.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on SAML configuration and naming conventions.
  
  
  
  Related Information:
  
  SAML Configuration: SAML is used for enabling Single Sign-On (SSO) in SAP systems, allowing users to authenticate once and gain access to multiple applications without needing to log in again.
  Transaction Codes: The main transaction for SAML configuration is SAML2. You can also use SAML2_CONFIG to access specific configuration settings.
  SAP Notes: Check SAP Notes for any known issues or updates related to SAML configuration that might provide additional context or solutions.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis team or SAP support for further assistance.