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[System Error: Failure loading FedOp] After Upgrade Tableau Prep


Published: 12 Oct 2021
Last Modified Date: 13 Oct 2021

Issue

After updating to Tableau Prep 2021.3.1 OR 2021.2, an error occurs when running a flow that could be run in the previous version.

"System error: Failure loading FedOp: columns" OR "System error: Failure loading FedOp: referenceExp"

The error message changes all the time but all include [System error: Failure loading FedOp].

Environment

  • Tableau Prep Builder 2021.3.1
  • Tableau Prep Builder 2021.2

Resolution

Before the release of 2021.3.2, consider running the flow in Prep Builder 2021.1.4 or 2020.4.1 as a workaround.

Cause

Unknown

Additional Information

Sometimes, the error message might be:
  • System error: Unable to run input step: Wait for cache write operation has terminated due to a failed write.
  • System error: Failure loading FedOp: Internal Error - An unexpected error occurred and the operation could not be completed.
    LogicException details: LogicAssert at D:\tc\work\m213\g_pc\modules\platform\tabquery\main\query\LogicalOpParser.cpp line 301: expressionsCount
  • System error: Failure loading FedOp: Internal Error - An unexpected error occurred and the operation could not be completed.
    LogicException details: LogicAssert at D:\tc\work\m213\g_pc\modules\platform\tabquery\main\query\LogicalOp.cpp line 329: !conditions.GetDisjunction().empty()
  • System error: Duplicate of unexpected type: com.tableau.loom.aqlFormat.BindingType
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