Error "Uncaught TypeError: Cannot read property 'parse' of undefined" When Viewing Underlying Data

Published: 15 Feb 2018
Last Modified Date: 04 Jan 2019


When viewing underlying data for a published worksheet by selecting Download > Data or selecting View Data inside a tooltip, the following error may occur with the Grammarly plugin installed:

"Uncaught TypeError: Cannot read property 'parse' of undefined"


  • Tableau Server 10.5.0 - 10.5.3, 2018.1.0
  • Tableau Online


Option 1

Upgrade to Tableau Server 10.5.4, 2018.1.1 or 2018.2. For more information, see Upgrading Tableau Server in Tableau Help. 

Option 2
Remove or disable the following extensions in the affected web browser: 
  • Grammarly extension
  • Honey extension
  • Snap&Read Universal extension


This behavior is related to a known issue with ID 742626, which was been corrected in more recent versions.
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