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 ('642b19dc23f98ce0f9f6ad009e117378', -1, 1427960606, 1427960606, '369fd731', 11, 0, 0)

Line : 262
File : sessions.php