phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('e8e726a04cd955f5edc12dde40da2a7f', -1, 1715063774, 1715063774, '03919c2e', 3, 0, 0)

Line : 189
File : sessions.php