MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
1146 - Table 'leafpile_mybb140.mybbe8_posts' doesn't exist
Query:
SELECT COUNT(p.pid) AS posts, p.username AS postusername, u.uid, u.username, u.usergroup, u.displaygroup FROM mybbe8_posts p LEFT JOIN mybbe8_users u ON (u.uid=p.uid) WHERE tid='55719' AND p.visible = 1 GROUP BY u.uid, p.username, u.uid, u.username, u.usergroup, u.displaygroup ORDER BY posts DESC