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 ('51effa6477f0110cd66ac79ab3c8db96', -1, 1728857663, 1728857663, '62508f22', 22, 0, 0)

Line : 195
File : sessions.php