How To Fix CLB654 - Unable to retrieve SAML2 assertion that can be sent to target

CLB654 - Overview

• Message type: E = Error

• Message class: CLB - SAIL: Common messages

• Message number: 654

• Message text: Unable to retrieve SAML2 assertion that can be sent to target

What causes this issue?

A method requires an SAML assertion be sent to the service provider.
This assertion could not be retrieved from the system.

System Response

The method in progress will be cancelled.

How to fix this error?

Check the Customizing in the backend system for the SAML setup. A
starting point would be the transaction
<DS:TRAN.SAML2>SAML2</>.

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 CLB654 - Unable to retrieve SAML2 assertion that can be sent to target ?

  The SAP error message CLB654: Unable to retrieve SAML2 assertion that can be sent to target typically occurs in the context of Single Sign-On (SSO) configurations using SAML (Security Assertion Markup Language) in SAP systems. This error indicates that the system is unable to generate or retrieve a valid SAML assertion that is required for authenticating a user to a target system.
  Causes:
  
  
  
  Configuration Issues: Incorrect configuration of the SAML 2.0 settings in the Identity Provider (IdP) or Service Provider (SP) can lead to this error. This includes misconfigured endpoints, certificates, or metadata.
  
  
  Missing or Invalid Certificates: The certificates used for signing or encrypting SAML assertions may be missing, expired, or invalid.
  
  
  User Mapping Issues: The user may not be properly mapped between the IdP and SP, leading to issues in generating the assertion.
  
  
  Network Issues: Connectivity problems between the SAP system and the IdP can prevent the retrieval of the SAML assertion.
  
  
  Authorization Issues: The