failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))


After I do something that will trigger my Microsoft.Office.Interop.Excel.Application function. When I run my web app on my visual studio it works fine, that problem only appears On Web requests. aybe someone knows how to fix this, thanks in advance.

asked on Stack Overflow Nov 21, 2019 by Ashutosh pandey

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