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 ('7b0a7a61cc7a56f6a3b9c2c9d2978d23', -1, 1715005531, 1715005531, '030f9c8c', 0, 0, 0)

Line : 189
File : sessions.php