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 ('f0ee77cc4b1a572b2aa59af73ad2102b', -1, 1713501277, 1713501277, '12db16a9', -4, 0, 0)

Line : 187
File : sessions.php