Intstall went well. However, I decided to Synch the users just to make sure the database was OK. I got this message. Is it anything to worry about?

Removing 1 entries from Community Builder missing in users Table.
You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near \'\' at line 2 SQL=DELETE FROM mos_messages_cfg\n WHERE user_id =

My System INfo:
PHP built On: Linux fhlinux201.fasthosts.co.uk 2.4.21-32.0.1.ELsmp #1 SMP Tue May 17 17:52:23 EDT 2005 i686
Database Version: 4.0.24-standard
PHP Version: 4.4.1
Web Server: Apache/1.3.33
WebServer to PHP interface: apache
Joomla! Version: Joomla! 1.0.11 Stable [ Sunbow ] 28 August 2006 20:00 UTC
User Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322)