phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './mvtpaix_forums/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('450698d9d83d1a8061ad8c9f8826c8f0', -1, 1425016653, 1425016653, '36a7b1b4', -10, 0, 0)

Line : 262
File : sessions.php