Fatal Error cause snort can not startup

["kinux" <kinux () hknet com>]

hi 

i installed snort on a freebsd box, it work with mysql, acid, i found there is an problem in /var/messages which make 
snort can not work. What's the problem?? 
May 22 17:38:23 snort /kernel: xl0: promiscuous mode enabled
May 22 17:38:23 snort snort: Initializing daemon mode
May 22 17:38:23 snort snort: PID path stat checked out ok, PID path set to /var/run/
May 22 17:38:23 snort snort: Writing PID "38172" to file "/var/run//snort_xl0.pid"
May 22 17:38:23 snort snort: ,-----------[Flow Config]----------------------
May 22 17:38:23 snort snort: | Stats Interval: 0
May 22 17:38:23 snort snort: | Hash Method: 2
May 22 17:38:23 snort snort: | Memcap: 10485760
May 22 17:38:23 snort snort: | Rows : 4099
May 22 17:38:23 snort snort: | Overhead Bytes: 16400(%0.16)
May 22 17:38:23 snort snort: `----------------------------------------------
May 22 17:38:23 snort snort: FATAL ERROR: /usr/local/etc/snort/conf/snort.conf(285) => Invalid file name for IIS 
Unicode Map f
ile.
May 22 17:38:23 snort /kernel: xl0: promiscuous mode disabled 

i read this post http://msgs.securepoint.com/cgi-bin/get/snort-0403/373.html 
then follow it cp Unicode.Map to rules directory, it still not work??