Please chack the following links:

http://www.phwinfo.com/forum/ms-sqlserver-server/340709-db-mail-error-formatting-query-probably-invalid-parameters.html

http://social.msdn.microsoft.com/Forums/en/sqltools/thread/bac7ecee-a156-4313-b532-ba15813a0700

http://relatedterms.com/ViewThread.aspx?t=1628286

If this does not adress y9our problem I would sugesst that y9ou google and I;m sure that you will find a solution to your problem.

Regards,

Welsh