无法投射“Microsoft.Office.Interop.Excel”类型的COM对象。application类' to interface type 'Microsoft.Office.Interop.Excel._Application'

I am getting an error like Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' to interface type 'Microsoft.Office.Interop.Excel._Application'. This operation failed because the Query Interface call on the COM component for the interface with IID '{000208D5-0000-0000-C000-000000000046}' failed due to the following error: Error loading type library/DLL. (Exception from HRESULT: 0x80029C4A (TYPE_E_CANTLOADLIBRARY)).I am getting an error like Unable to cast COM o