phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('4478d8ff6031cd7000688f4bcceecb79', -1, 1716888963, 1716888963, '03105aec', -4, 0, 0)

Line : 187
File : sessions.php