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 = '47b7e92e7a463c2c3f89e4b4d1f68b7a' AND u.user_id = s.session_user_id

Line : 315
File : sessions.php