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Unable to Union Teradata Data Sources with Mismatched Fields in Newer Versions of Tableau Prep


Published: 26 Jan 2023
Last Modified Date: 27 Jan 2023

Issue

Performing Union results in the error below for Teradata:

"Data conversion not supported"

 

Environment

  • Tableau Prep Builder 2021.2.1 and newer
  • Teradata

Resolution

Use an older version of Tableau Prep Builder (2021.1.4 and earlier) as a workaround. 
 

Cause

This issue is under investigation by the development team.
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