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 ('4ee0f6ca4a0ed29f34ee15e9d5342269', -1, 1461938313, 1461938313, '1716c806', -9, 0, 0)

Line : 187
File : sessions.php