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 ('d9c9ea956e2b48f79a3a4038fadc83fc', -1, 1500785645, 1500785645, '36c40288', -4, 0, 0)

Line : 172
File : sessions.php