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 ('5085bd9e1975e569b13e4e55a101a21f', -1, 1461924253, 1461924253, '36a0f4f0', -9, 0, 0)

Line : 187
File : sessions.php