phpBB : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 145 Table './phpbb/phpbb_sessions' is marked as crashed and should be repaired

SELECT u.*, s.* FROM phpbb_sessions s, phpbb_users u WHERE s.session_id = 'eb0127e1d635350e0ff4a7d6b5355bdd' AND u.user_id = s.session_user_id

Line : 319
File : sessions.php