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, session_admin) VALUES ('ce71524a8b1c3fdadbadb643afedf8aa', -1, 1730422939, 1730422939, '03900e96', 4, 0, 0)

Line : 195
File : sessions.php