phpBB : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

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

SELECT u.*, s.* FROM phpbb_sessions s, phpbb_users u WHERE s.session_id = '4a2b76b05bf017955214e7b433b5c0d3' AND u.user_id = s.session_user_id

Line : 315
File : sessions.php