Unable to cast COM object of type 'System.__ComObject' to interface type 'LFSO92Lib.LFDocument'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{F6306F70-1AA1-4FF4-B49E-2F06F80C21D4}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE)).
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