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 = '425b32b512f1d1e2ce945b7f8aac2f23' AND u.user_id = s.session_user_id AND session_time > 1714252440

Line : 358
File : sessions.php