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 ('8c21373a26c4dfb48ce1458f9f4a1734', -1, 1748998105, 1748998105, '030fba5f', 30, 0, 0)

Line : 190
File : sessions.php