Error "layeredprotocol missing attribute" When User Attempts to Open Any Workbook or Data Source on Tableau Cloud or Tableau Server

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Error "layeredprotocol missing attribute" When User Attempts to Open Any Workbook or Data Source on Tableau Cloud or Tableau Server

Published: 19 May 2021
Last Modified Date: 08 Jun 2022

Issue

When a user attempts to open any workbook or data source on Tableau Server or on a Tableau Cloud site, the following error might occur:

LayeredProtocol::LayeredProtocol: Missing attribute
Unable to connect to the file "filename". Check that the file exists and that you have sufficient access privileges for it.

Environment

Tableau Cloud
Tableau Server

Resolution

1. Clear the Saved Credentials in the user's Account Settings.
2. Re-add the saved credentials manually in user's Account Settings.

User-added image

Cause

This issue appears to be caused by a corrupted entry in the user's saved credentials.

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