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 ('7d0dc53e5edf83c51187c61dc7f0c37a', -1, 1406557235, 1406557235, '36ea9354', 4, 0, 0)

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