Error message: AqlProcessor evaluation failed: Unsupported feature: checkValidIndex when exporting a flow to an Oracle DB

Published: 03 Jun 2022
Last Modified Date: 06 Jun 2022


Running a flow on Tableau Server with output to Oracle database, the following error is encountered:

Error message "AqlProcessor evaluation failed: Unsupported feature: checkValidIndex" 


  • Tableau Server 
  • Windows Server 2012
  • Text Files
  • Oracle


Check if there are any fields with parentheses "(" or ")" and remove them before the output. 

Additional Information

Output to Hyper; CSV and Published data source works fine.

Field name requirements:

Must be 30 or fewer characters in length.
Field names must include only Permitted characters: A-Z a-z 0-9, and _ (underscore).
Name must start with A-Z a-z


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