Database error in vBulletin 3.7.3:

Invalid SQL:
select * from forum;

MySQL Error   : Table 'forumtan_frm.forum' doesn't exist
Error Number  : 1146
Request Date  : Thursday, March 12th 2009 @ 04:18:26 PM
Error Date    : Thursday, March 12th 2009 @ 04:18:26 PM
Script        : 
Referrer      : 
IP Address    : 
Username      : 
Classname     : vB_Database
MySQL Version : 5.0.67-community