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 ('8dede2565e67a12770fdf9c6dd73601c', -1, 1715155695, 1715155695, '340e0188', 0, 0, 0)

Line : 189
File : sessions.php