Tableau Server "System error: TableauException: Session id is not found: <sessioni id>" When Leaving Prep Flow Editing Window for Over 30 Minutes

Published: 21 Jul 2023
Last Modified Date: 21 Jul 2023


An error can occur on Tableau Server when leaving a Prep flow editing window for over 30 minutes causing the flow editing work to not be saved:

System error: TableauException: Session id is not found: <sessioni id>

User-added image


  • Tableau Server


Make sure you save your flow draft before you leave the flow editing window for a long period of time such as 30 minutes.


The is by design because Tableau Prep Flow Authoring process removes a session if it has been inactive for more than 30 minutes.

For information of the Tableau Prep Flow Authoring process, please refer to Tableau Prep Flow Authoring.
Did this article resolve the issue?