Error "Unable to Properly Calculate the Domain" Opening Workbook with Multiple CSV Data Sources

Published: 02 Jun 2017
Last Modified Date: 18 Apr 2018


When attempting to open a workbook connected to many CSV files using unions and joins, the following error messages occur:
  • An error occurred while communicating with the data source. Tableau Data Engine Error: 504: C\Users.....
  • An error occurred while loading the data. Tableau Data Engine Error: 504: C\Users..... Unable to properly calculate the domain for the field...


  • Tableau Desktop 10.2.0 - 10.2.1
  • CSV


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This behavior is related to a known issue with ID 629681 which has been corrected in recent releases.
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