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 ('b6f5d8db3b34e9937f4462a2873f1a51', -1, 1715313962, 1715313962, '340e541d', -2, 0, 0)

Line : 189
File : sessions.php