Error: Invalid Class String, Looking for object with ProgID when running pivot reports

 Microsoft Office Web Components must be installed and properly registered for the Pivot Report functionality to work.  Without Microsoft Office Web Components being installed and properly registered running a Pivot Report will return the message - Error: Invalid Class String
1.  Download and Install Microsoft Office Web Components
2.  Manually register the following DLL file: C:\Program Files\Microsoft Office\Office\MSOWC.DLL

Environment

 Reported in version 7.20.270

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