phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './mopedforum/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 ('20cfe990f0e305fb64c2b4fc5ea7d2eb', -1, 1406740144, 1406740144, '3651ec24', 2, 0, 0)

Line : 181
File : /Library/WebServer/Sites/www.mopedriders.org/includes/sessions.php