phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1054 Unknown column 'session_admin' in 'field list'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('2045f78d2f88cbdd78b3ba50e5c406dc', -1, 1490560712, 1490560712, '36a1e320', 0, 0, 0)

Line : 172
File : sessions.php