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 ('e593b31bd7ae1f06544b8a1cba28ae5b', -1, 1563611384, 1563611384, '365145dc', -4, 0, 0)

Line : 189
File : sessions.php