trying to backup vb3.0.3mysql database, got this error

[Gutspiller]

I followed the instructions on this page: http://www.vbulletin.com/docs/html/main/moving_servers_backup and I got this error when I ran it:

-- MySQL dump 8.23
--
-- Host: localhost Database: mydatabasename
---------------------------------------------------------
-- Server version 3.23.58
mysqldump: Got error: 1103: Incorrect table name '/home/virtual/site1/fst/var/www/html/mydatabasename_dump.sql' when doing LOCK TABLES

What does this mean and how do I fix it so that I can backup the mysqldatabase?

Thanks.