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 ('1cf7312f3c969f92ea8454c94d53ce8a', -1, 1746781774, 1746781774, '1276d98e', -4, 0, 0)

Line : 443
File : sessions.php