Error "Uncaught SecurityError: Blocked a frame with origin" When saving a Custom View in an Embedded View occurred on Tableau Server

KNOWLEDGE BASE

Error "Uncaught SecurityError: Blocked a frame with origin" When saving a Custom View in an Embedded View occurred on Tableau Server

Published: 05 Dec 2019
Last Modified Date: 11 Aug 2020

Issue

When saving a Custom View in an Embedded View, the following error occurred and the view cannot be saved.

"An unexpected error occurred. If you continue to receive this error, please contact your Tableau Server Administrator.
Uncaught SecurityError: Blocked a frame with origin "http://<Tableau Server>" from accessing a cross-origin frame."

Environment

Tableau Server 2019.4.0
Tableau Online
Custom views

Resolution

For Tableau Server, upgrade to 2020.1 or later. Or,
as a workaround, save the custom view on Tableau Server or Tableau Online directly, and not in an embedded view.