phpBB by Przemo : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 145 Table './adammus1/phpbb_sessions' is marked as crashed and should be repaired

SELECT u.*, s.* FROM (phpbb_sessions s, phpbb_users u) WHERE s.session_id = '83b80be85eec1c12c57127c7c78665de' AND u.user_id = s.session_user_id

Line : 614
File : sessions.php