KNOWLEDGE BASE

Attempted to Access the Value of an Uninitialized Optional Object


Published: 10 Sep 2021
Last Modified Date: 14 Sep 2021

Issue

When attempting to open a workbook, the below error is received and the workbook is not usable,
 
"Attempted to access the value of an uninitialized optional object".

Environment

Tableau Desktop 

Resolution

This behavior is caused by a known issue, ID 1238819, that is currently under investigation. Upgrade to Tableau Desktop 2021.3 and later. 

Cause

Known Issue 

Additional Information

Known issue, ID 1283972, may also be involved in this error message.
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