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 ('c329bd0cf8f9b7646ca71262ceb2d734', -1, 1754787628, 1754787628, 'd849d8fd', 3, 0, 0)

Line : 189
File : sessions.php