Errors in messages log

Does anyone have any ideas, why I am getting this in my messages log. I
would like to correct this if anyone knows how.

Thanks

Roch

Nov 17 10:13:30 Vector squid[27012]: urlParse: Invalid port == 0
Nov 17 10:14:16 Vector squid[27012]: urlParse: Invalid port == 0
Nov 17 10:14:36 Vector squid[27012]: urlParse: Invalid port == 0
Nov 17 10:15:01 Vector squid[27012]: urlParse: Invalid port == 0
Nov 17 10:15:15 Vector squid[27012]: urlParse: Invalid port == 0
Nov 17 10:15:19 Vector squid[27012]: urlParse: Invalid port == 0
Nov 17 10:15:23 Vector squid[27012]: urlParse: Invalid port == 0
Nov 17 10:16:02 Vector squid[27012]: urlParse: Invalid port == 0
Nov 17 10:16:22 Vector squid[27012]: urlParse: Invalid port == 0
Received on Mon Nov 17 1997 - 07:49:44 MST