CGI.pm: Server closed socket during multipart read (client aborted?)

Hi all,
We have installed the validator in our own environtment (Apache/2.2.3 Red Hat). When we use the validator an the following error happens with all files (files hgher than 1kb and files equals or lower than 1kb):

HTTP/1.1 500 Internal Server Error
Date: Thu, 30 Apr 2015 09:36:10 GMT
Server: Apache/2.2.3 (Red Hat)
Content-Length: 290
Content-Type: text/html; charset=iso-8859-1
Connection: close

<h1>Software error:</h1>
<pre>CGI.pm: Server closed socket during multipart read (client aborted?).
</pre>

Please, could someone provide us a solution?

Thank you

GRIFOLS
Sergio Cuenca Guirado | IT Quality and Compliance
scuenca@grifols.com<mailto:scuenca@grifols.com>
Tel.:  +34 93.571.0277  (12016)
C/ Palou, 6 (Ed. P10) - 08150 Parets del Vallès (BARCELONA)
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