"Unexpected Runtime Authn Adapter Integration Problem" Error During SAML Login Attempt using PingFederate Connection

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Last Updated: Jul 28, 2025

Overview

Login attempts from a PingFederate connection are failing with the following error message in the tenant logs:

Unexpected Runtime Authn Adapter Integration Problem.

Looking at the decoded SAML Response shows this error is coming from PingFederate:

  <samlp:Status>
        <samlp:StatusCode Value="urn:oasis:names:tc:SAML:2.0:status:Responder"/>
        <samlp:StatusMessage>
            Unexpected Runtime Authn Adapter Integration Problem.
        </samlp:StatusMessage>
        <samlp:StatusDetail>
            <Cause>
                org.sourceid.websso.profiles.RequestProcessingException: Unexpected Runtime Authn Adapter Integration Problem.
            </Cause>
        </samlp:StatusDetail>
    </samlp:Status>

Applies To

  • SAML Login
  • PingIdentity

Cause

This error message is typically caused by an outdated and/or malformed agent-config.txt file.

Solution

The resolution is performed within the PingFederate environment. Correct or replace the agent-config.txt file to ensure it is current and correctly formatted - as officially suggested by PingIdentity.