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 = 'af499e5ee9075f0e0154e5e3764b9344' AND u.user_id = s.session_user_id AND session_time > 1715961643

Line : 358
File : sessions.php