phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('42ac0d359b1965257174b9313c107d29', -1, 1714347763, 1714347763, '03114ae3', -2, 0)

Line : 158
File : sessions.php