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 ('d6daf1938d6d2f386f12eab1f5c19829', -1, 1714358263, 1714358263, '12dd92df', -9, 0)

Line : 158
File : sessions.php