Below is what I get for the problem.
Thanks,
Marcus

Marks71
Marks71@hotmail.com
Could not update private message new/read status (2) for user
DEBUG MODE
SQL Error : 1016 Can't open file: 'phpbb_privmsgs.MYI'. (errno: 145)
UPDATE phpbb_privmsgs SET privmsgs_type = 5 WHERE privmsgs_type = 1 AND privmsgs_to_userid = 2400
Line : 1912
File : privmsg.php