phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1364 Field 'session_pagesub' doesn't have a default value

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9fe55dccdba20267e580c635a53b85c0', -1, 1728682832, 1728682832, '03ee524d', -9, 0, 0)

Line : 195
File : sessions.php