phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1054 Unknown column 'session_id' 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 ('460cfac222627c0638273eaa6164c3a7', -1, 1328728627, 1328728627, '266bb3f4', -8, 0, 0)

Line : 187
File : sessions.php