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DRAFT KB-XXXX "Unexpected token < in JSON at position 0" Error

Symptoms

Users that authenticate with SAML occasionally see a redbox error.

Users logout on one tab, and when navigating in another open Appian tab see this error

Cause

The Appian session has timed out, and Appian is pulling the Login Page as JSON, rather then redirecting users to it.

Action

Product enhacemment

IdP timeout should be the same as Appian Timeout

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: August 2019