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 ('a93cc84daa300139dad2e26e5f2ed9ba', -1, 1715092429, 1715092429, '0389b9b4', -9, 0, 0)

Line : 189
File : sessions.php