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 ('201fb0ce98ddb4aaaa205a5d48e20743', -1, 1749586021, 1749586021, 'd849d873', 2, 0, 0)

Line : 190
File : sessions.php