phpBB : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 145 Table './doomcom@002bforums/sessions' is marked as crashed and should be repaired

SELECT u.*, s.* FROM sessions s, users u WHERE s.session_id = 'ad5b0f3b79519b8dd1171fc35fabf394' AND u.user_id = s.session_user_id

Line : 319
File : sessions.php