MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
1146 - Table 'bertrand_mybb916.mybbud_posts' doesn't exist
Query:
SELECT u.*, u.username AS userusername, p.* FROM mybbud_posts p LEFT JOIN mybbud_users u ON (u.uid=p.uid) WHERE p.tid='54727' AND p.visible='1' ORDER BY p.dateline LIMIT 40, 10