phpBB : 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 ('4235f01741d85d35d76290864edccaf5', -1, 1764590073, 1764590073, 'd849d81c', 0, 0, 0)

Line : 193
File : sessions.php