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 ('cd54b4c28acb9f6dc02694d9a670fcc2', -1, 1461931457, 1461931457, '36931cff', 0, 0, 0)

Line : 187
File : sessions.php