Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)).

This problem occurs when user wants to access Microsoft Office Excel object and the Excel component does not exists on the server.

To resolve this issue.
Install the Microsoft Office or excel file component from Microsoft Office on the server.