Error with attachments

Hi.

I am running RT 3.2.2 + Apache 2 in a Linux Box, and I am getting the
following error when I try to send a ticket with an attachment. Any idea?

error:
read-open /tmp/gwOThu8WMZ: No such file or directory at
/usr/local/lib/perl5/site_perl/5.8.4/MIME/Body.pm line 417.

context:

413:
if ($mode eq ‘w’) { ### writing

414:
$IO = FileHandle->new(">$path") || die “write-open $path: $!”;

415:
}

416:
elsif ($mode eq ‘r’) { ### reading

417:
$IO = FileHandle->new("<$path") || die “read-open $path: $!”;

418:
}

419:
else {

420:
die “bad mode: ‘$mode’”;

421:
}

code stack:
/usr/local/lib/perl5/site_perl/5.8.4/MIME/Body.pm:417
/usr/local/lib/perl5/site_perl/5.8.4/MIME/Body.pm:317
/usr/local/lib/perl5/site_perl/5.8.4/MIME/Body.pm:217
/opt/rt3/lib/RT/Attachment_Overlay.pm:190
/opt/rt3/lib/RT/Attachment_Overlay.pm:174
/opt/rt3/lib/RT/Attachment_Overlay.pm:174
/opt/rt3/lib/RT/Transaction_Overlay.pm:434
/opt/rt3/lib/RT/Transaction_Overlay.pm:136
/opt/rt3/lib/RT/Ticket_Overlay.pm:3707
/opt/rt3/lib/RT/Ticket_Overlay.pm:2527
/opt/rt3/lib/RT/Ticket_Overlay.pm:2460
/opt/rt3/lib/RT/Interface/Web.pm:432
/opt/rt3/share/html/Ticket/Display.html:133
/opt/rt3/share/html/Ticket/Update.html:200
/opt/rt3/share/html/autohandler:221