Empty file error messages

[Ken Goods]

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I've been getting quite a few of these in my log lately. Anything I should
be concerned about? 
Took a look in the archives and Google but couldn't find this exact message.

MailScanner v4.40.11 

Jun 24 03:05:20 gw-mail MailScanner[6646]: ProcessClamAVOutput: unrecognised
line "/var/spool/MailScanner/incoming/6646/./j5OA562s006904/msg-6646-5.txt:
Empty file". Please contact the authors!
Jun 24 03:13:53 gw-mail MailScanner[5002]: ProcessClamAVOutput: unrecognised
line "/var/spool/MailScanner/incoming/5002/./j5OADb2s006987/msg-5002-51.txt:
Empty file". Please contact the authors!
Jun 24 04:09:42 gw-mail MailScanner[6796]: ProcessClamAVOutput: unrecognised
line "/var/spool/MailScanner/incoming/6796/./j5OB9E2s008004/msg-6796-7.txt:
Empty file". Please contact the authors!
Jun 24 05:07:43 gw-mail MailScanner[6646]: ProcessClamAVOutput: unrecognised
line "/var/spool/MailScanner/incoming/6646/./j5OC7W2s008447/msg-6646-19.txt:
Empty file". Please contact the authors!
Jun 24 08:59:50 gw-mail MailScanner[9503]: ProcessClamAVOutput: unrecognised
line "/var/spool/MailScanner/incoming/9503/./j5OFxa2s011071/msg-9503-35.txt:
Empty file". Please contact the authors!
Jun 24 09:29:24 gw-mail MailScanner[9583]: ProcessClamAVOutput: unrecognised
line "/var/spool/MailScanner/incoming/9583/./j5OGTC2s011440/msg-9583-45.txt:
Empty file". Please contact the authors!
Jun 24 09:43:43 gw-mail MailScanner[9417]: ProcessClamAVOutput: unrecognised
line "/var/spool/MailScanner/incoming/9417/./j5OGhV2s011633/msg-9417-41.txt:
Empty file". Please contact the authors!

Thanks,
Ken

Ken Goods
Network Administrator
AIA Insurance, Inc.

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