Unknown upload error

[s1037989]

$ perl bin/galileo_receive daemon
[Sat Jan 11 22:18:18 2014] [info] Listening at "http://*:3000".
Server available at http://127.0.0.1:3000.
[Sat Jan 11 22:18:28 2014] [debug] Your secret passphrase needs to be changed!!!
[Sat Jan 11 22:18:28 2014] [debug] GET "/".
[Sat Jan 11 22:18:28 2014] [debug] Routing to a callback.
[Sat Jan 11 22:18:28 2014] [debug] 101 Switching Protocols (0.001252s, 798.722/s).
[Sat Jan 11 22:18:28 2014] [debug] Upload: 'exports.zip' - 0 | 0 | 2283228
[Sat Jan 11 22:18:28 2014] [debug] Upload: 'exports.zip' - 0 | 0 | 2283228
[Sat Jan 11 22:18:28 2014] [debug] Upload: 'exports.zip' - 0 | 0 | 2283228
[Sat Jan 11 22:18:28 2014] [debug] Upload: 'exports.zip' - 0 | 0 | 2283228
[Sat Jan 11 22:18:28 2014] [debug] Upload: 'exports.zip' - 0 | 0 | 2283228
[Sat Jan 11 22:18:28 2014] [debug] Upload: 'exports.zip' - 0 | 0 | 2283228
[Sat Jan 11 22:18:28 2014] [debug] Upload: 'exports.zip' - 0 | 0 | 2283228
[Sat Jan 11 22:18:28 2014] [debug] Upload: 'exports.zip' - 0 | 0 | 2283228
[Sat Jan 11 22:18:28 2014] [debug] Upload: 'exports.zip' - 0 | 0 | 2283228
[Sat Jan 11 22:18:28 2014] [debug] Upload: 'exports.zip' - 0 | 0 | 2283228
[Sat Jan 11 22:18:28 2014] [debug] Upload: 'exports.zip' - 0 | 0 | 2283228
[Sat Jan 11 22:18:28 2014] [error] Event "read" failed: Can't use an undefined value as a HASH reference at /home/s/mojo/GalileoSend/bin/../lib/Mojolicious/Plugin/GalileoSend.pm line 75.
[Sat Jan 11 22:18:43 2014] [debug] Inactivity timeout.

$ perl bin/galileo_send --url ws://localhost:3000/ ~/Downloads/exports.zip
/home/s/Downloads/exports.zip upload failed with the following warnings:
$VAR1 = [
{
'error' => 'Unknown upload error'
}
];