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 = '3e3829e72c35d225893ee93a1b5c6fa9' AND u.user_id = s.session_user_id AND session_time > 1715967970

Line : 358
File : sessions.php