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 ('b6f22a9ad596aa54c466af6672a4bd85', -1, 1748423430, 1748423430, '0d3ac7ce', -4, 0, 0)

Line : 189
File : sessions.php