bittorrent help needed

[Jude DaShiell <jdashiel@panix.com>]

I have tried using lftp and aria2c and cannot get the debian iso to 
download without at least three errors in it which get discovered by 
growisofs and later the dvd's that get burnt can't pass integrity checks.
I tried using deluge earlier but ran into username does not exist error 
with that package and this was after following the archwiki instructions 
too.
If anyone knows aria2c please look at my input.conf file and if you have 
suggestions for improvement I'll try those out and see if I can get a 
useable download.

https://cdimage.debian.org/debian-cd/current/amd64/bt-dvd/debian-9.4.0-amd64-DVD-1.iso.torrent
  allow-overwrite=true
  check-integrity=true
  dir=/Downloads
  log=debian.err
  log-level=error
  file-allocation=falloc
  max-connection-per-server=2
  summary-interval=0

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