KNOWLEDGE BASE

Error: "Internal Error - An unexpected error occurred and the operation could not be completed" When Joining Tables Connected To Progress OpenEdge


Published: 23 Aug 2016
Last Modified Date: 05 Apr 2017

Issue

When attempting to drag the second table to data source pane when connected to Progress OpenEdge, the following error might occur in Tableau Desktop: 
"Internal Error - An unexpected error occurred and the operation could not be completed"

Environment

  • Tableau Desktop 10.0.0
  • Windows 7
  • Progress OpenEdge

Resolution

Option 1

Upgrade to Tableau Desktop 10.0.2. For more information, see Upgrading Tableau Desktop

Option 2

Use cross-database joins to join the tables

Cause

This behavior was related to a known issue (ID: 554579) that has been fixed in Tableau 10.0.2.
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