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 ('833afb05243271ba6eca52dd704304c2', -1, 1563494397, 1563494397, '035c1c54', 22, 0, 0)

Line : 189
File : sessions.php