Error "An unexpected error occurred while processing your request. Try again. undefined" on Extensions Tab

KNOWLEDGE BASE

Error "An unexpected error occurred while processing your request. Try again. undefined" on Extensions Tab

Published: 13 Nov 2018
Last Modified Date: 15 Apr 2019

Issue

After upgrading from a pre-TSM version of Tableau Server (2018.1 or earlier) to TSM (2018.2 or later) on two or more nodes in a cluster, you are unable to access the Extensions feature in Tableau Server Settings > Extensions due to the error:

An unexpected error occurred while processing your request. Try again. undefined

Attempting to save changes on this page results in the error:
Some or all of the settings failed to save. Try again.

Environment

Tableau Server 2018.2.0 - 2018.2.5, 2018.3.0 - 2018.3.2
Multi-node installation
Upgrade from pre-TSM version of Tableau Server

Resolution

Upgrade to Tableau Server 2018.2.6, 2018.3.3 or a newer version. Click here for downloads of current and previous versions of Tableau Server: Tableau Server Downloads and Release Notes. For more information on current releases, see Upgrade Tableau Server and Server Upgrade.