Error message

["Juliano Fontoura Pereira" <juliano () voffice com br>]

Hi people,
 
I update the rules of snort found on snort.org with oinkmaster, when I run snort generate the following error message:
Initializing Network Interface eth0
 
        --== Initializing Snort ==--
Decoding Ethernet on interface eth0
Initializing Preprocessors!
Initializing Plug-ins!
Initializating Output Plugins!
Parsing Rules file /usr/local/src/snort/snort.conf
 
+++++++++++++++++++++++++++++++++++++++++++++++++++
Initializing rule chains...
ERROR line /usr/local/src/snort/snort.conf (46) => Unknown rule type ((null))
Fatal Error, Quitting..

 
Somebody can help me, what this message means???
 
Thank you.
 
 
 
Juliano F. Pereira
Analista de Suporte
Voffice
juliano () voffice com br 
+55 (48) 224-8580
Florianópolis-SC