phpBB : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 145 Table '.\zeq2@002dphpbb2\sessions' is marked as crashed and should be repaired

SELECT u.*, s.* FROM sessions s, users u WHERE s.session_id = '51d24576b1f8019f99e7660d33618b15' AND u.user_id = s.session_user_id

Line : 319
File : sessions.php