Website Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 144 Table './unique_fmnew/phpbbfm_sessions' is marked as crashed and last (automatic?) repair failed

SELECT u.*, s.* FROM phpbbfm_sessions s, phpbbfm_users u WHERE s.session_id = '21e78759b9c241a58a9f0688794e1c4f' AND u.user_id = s.session_user_id AND session_time > 1713579501

Line : 358
File : sessions.php