How To Fix SAML2031 - The assertion was not received at end point '&1'

SAML2031 - Overview

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 031

• Message text: The assertion was not received at end point '&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 SAML2031 - The assertion was not received at end point '&1' ?

  The SAP error message SAML2031 indicates that the Security Assertion Markup Language (SAML) assertion was not received at the specified endpoint. This error typically occurs in scenarios involving Single Sign-On (SSO) configurations where SAML assertions are used for authentication and authorization.
  
  Cause:
  
  Network Issues: There may be network connectivity problems preventing the assertion from reaching the endpoint.
  Configuration Errors: The SAML configuration might be incorrect, such as mismatched URLs, incorrect endpoint settings, or issues with the Identity Provider (IdP) or Service Provider (SP) configurations.
  Timeouts: The assertion may have expired before it reached the endpoint, leading to a failure in processing.
  Incorrect Assertion Consumer Service (ACS) URL: The ACS URL configured in the IdP may not match the one expected by the SP.
  Firewall or Security Settings: Firewalls or security settings may be blocking the assertion from being transmitted.
  
  
  Solution:
  
  Check Network Connectivity: Ensure that there are no network issues between the IdP and SP. You can use