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 ('796940cb00393f1a1c23110ee3f45f9e', -1, 1461925332, 1461925332, '369f1fe6', 0, 0, 0)

Line : 187
File : sessions.php