phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('c78509da33bed7811dc447d9465c3d9f', -1, 1419226388, 1419226388, '36503f4e', 5, 0)

Line : 170
File : sessions.php