Mail::Box::Maildir woes

Hi all,

Im using Mail::Box to parse emails of maildir. Recently I found that  
my parser script would throws the following error for
one email in the inbox:

-----
Error while parsing the emails: Uploaded file maximum 1 at ....
-----

The mail in question is around 3.8 MB with 20 attachments. The mail  
was sent using: Microsoft Office Outlook 11

This script has been in action for over a year now and never threw  
such an error. I have searched the documentation,
but could not find reference to this error message.

I ran the perl debugger (via Komodo) against my code and I could see  
that the failure happened in
Mail/Box.pm @ line 467.

Im using Mail::Box version: 2.058

Any help is appreciated. Thanks in advance.

- Sandeep