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 ('6cd77fb4e8062f9c68e70bcfc09e2413', -1, 1714349872, 1714349872, '03886140', 0, 0)

Line : 158
File : sessions.php