How To Fix SAML2118 - '&1' entities were found for mode '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 118

• Message text: '&1' entities were found for mode '&2'

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAML2118 - '&1' entities were found for mode '&2' ?

  The SAP error message SAML2118 typically relates to issues with SAML (Security Assertion Markup Language) configurations in the context of Single Sign-On (SSO) setups. This error indicates that multiple entities (such as service providers or identity providers) were found for a specific mode, which can lead to ambiguity in the SSO process.
  Cause:
  The error message SAML2118 occurs when:
  
  Multiple Entities: There are multiple SAML entities (like service providers or identity providers) configured in the system that match the criteria for the specified mode (e.g., authentication, logout).
  Configuration Issues: The SAML configuration might not be set up correctly, leading to conflicts or overlaps in entity definitions.
  Incorrect Mode: The mode specified in the request may not correspond correctly to the intended entity.
  
  Solution:
  To resolve the SAML2118 error, you can take the following steps:
  
  
  Check SAML Configuration:
  
  Go to the SAML configuration settings in your SAP system (usually found in transaction SAML2).
  Review the list of configured entities and ensure that there are no duplicates or conflicting entries.
  
  
  
  Identify the Mode:
  
  Determine the mode that is causing the issue (e.g., authentication, logout).
  Ensure that the correct entity is configured for that mode.
  
  
  
  Remove Duplicates:
  
  If you find multiple entities configured for the same mode, decide which one is the correct entity to use and remove or deactivate the others.
  
  
  
  Update Entity IDs:
  
  Ensure that the entity IDs are unique and correctly defined. Each entity should have a distinct identifier.
  
  
  
  Test the Configuration:
  
  After making changes, test the SSO functionality to ensure that the error is resolved and that the SSO process works as expected.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or guides related to SAML configuration for additional insights and best practices.
  
  
  
  Related Information:
  
  SAML2 Transaction: This transaction is used to manage SAML configurations in SAP systems.
  SSO Configuration: Understanding the overall SSO setup, including identity providers and service providers, is crucial for troubleshooting SAML-related issues.
  Logs and Traces: Check the SAML logs and traces for more detailed error messages that can provide additional context for the issue.
  
  If the problem persists after following these steps, consider reaching out to SAP support or consulting with a specialist who has experience with SAML and SSO configurations in SAP environments.