phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1364 Field 'session_topic' 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 ('b6777bed0e10bdfee8d249e6282260a7', -1, 1713892008, 1713892008, '12d8bea7', -1031, 0, 0)

Line : 193
File : sessions.php