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 ('ee4850c4a8f0df44bc76874e54090138', -1, 1563501445, 1563501445, '12e8637b', -9, 0, 0)

Line : 189
File : sessions.php