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System Error When Clicking a Clean Step After Clicking a Join Step


Published: 30 Aug 2019
Last Modified Date: 09 Oct 2019

Issue

When clicking a join step then clicking a clean step, following error might occur.

System error: System error.
Or
System error: Unable to run input node: Wait for cache write operation has terminated due to a failed write.

Environment

  • Tableau Prep 2019.3.1 and previous versions
  • Excel

Additional Information

This issue might occur if you have
Join step -> Union step -> Join step
in your flow.
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