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 ('ea4e3a47c27cf6b3a91254bb86acd6d8', -1, 1462217564, 1462217564, '36570b7c', 14, 0, 0)

Line : 187
File : sessions.php