phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('268f741799273496731b8aa8d72a5f19', -1, 1749470393, 1749470393, 'd849d80b', 3, 0, 0)

Line : 190
File : sessions.php