phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './mailarti_mail/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, session_admin) VALUES ('907e7790739eb093a01c1c6ed86344a9', -1, 1461938337, 1461938337, '1716c806', 13, 0, 0)

Line : 187
File : sessions.php