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 ('74c00e1f974dc9b8d3ebe52b8a73d416', -1, 1461938327, 1461938327, '1716c806', -10, 0, 0)

Line : 187
File : sessions.php