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"PivotTable Operation Failed" when you click a slicer in an Excel Online PowerPivot workbook

This article was written by Tom Schauer, Technical Specialist.

Symptoms

When you try to click a slicer in an Excel Online PowerPivot workbook, you receive an error message that resembles the following:

PivotTable Operation Failed An error occurred while working on the Data Model in the workbook. Please try again.

Screenshot of the error message, showing PivotTable Operation Failed.

Cause

This issue may occur if the cube is displayed as being "Unprocessed." In this case, the automatic recalculation in PowerPivot fails.

Resolution

To resolve this issue, manually recalculate the workbook (in PowerPivot) inside the Excel client application. To do this, follow these steps:

  1. Open the workbook, and then select Power Pivot > Manage > Design.

  2. Select Calculation Options, and then select Manual Calculation Mode to enable Calculate Now command.

  3. Select Calculate Now.

    Screenshot to select the Manual Calculation Mode option to enable the Calculate Now command.

  4. After you manually recalculate, select Automatic Calculation Mode, save the file, and then test the result.

Note

This method may not always resolve this error. However, if you do experience this error at some point, you should try this method.