Build error

[adampweb]

I tried to install this application, but I got the following error:
sudo ocaml setup.ml -build
Finished, 0 targets (0 cached) in 00:00:00.

• /usr/bin/ocamlfind ocamlc -c -g -package batteries -package camlpdf -package fileutils -package lwt -package lwt.unix -I src/lib -o src/lib/scribd_downloader.cmo src/lib/scribd_downloader.ml
  _File "src/lib/scribd_downloader.ml", line 380, characters 29-48:_Error: This function has type string option -> string -> Pdf.pdfdoc
  It is applied to too many arguments; maybe you forgot a `;'.
  Command exited with code 2.
  Compilation unsuccessful after building 8 targets (7 cached) in 00:00:00.
  E: Failure("Command ''/usr/bin/ocamlbuild' src/lib/scribd_downloader.cma src/lib/scribd_downloader.cmxa src/lib/scribd_downloader.a src/lib/scribd_downloader.cmxs src/console/main_console.byte src/gui/main_gui.byte -tag debug' terminated with error code 10")