phpBB by Przemo : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('78d4f93a8745a8b8a560aa0a85441c90', -1, 1746982725, 1746982725, '0391af47', -4, 0, 0)

Line : 443
File : sessions.php