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 ('0ffe6acf0ce3ac97db9bf555a60094d6', -1, 1714761490, 1714761490, '030f9c8c', -4, 0)

Line : 158
File : sessions.php