[Dx4win] File question

[Bill Murrell]

When I download my LOTW report and import it to DX4WIN there is report with
the LOTW called LOTW witht the type listed as Not Found File.  I asked ARRL
what this file is and they indicated it must be generated by my logging
program.

Does anyone know what generates this file and what does it mean?  I checked
my log and the qso's listed are confirmed.

Thanks
Bill AD4DN