phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1016 Can't open file: 'phpbb_sessions.MYI' (errno: 145)

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('359c7b3ea4bafb96e9b22f0c28d1dce0', -1, 1537363466, 1537363466, '36c40dd2', 34, 0, 0)

Line : 187
File : sessions.php