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 ('cadc64d546b86af1bcf395ac23fff472', -1, 1563611345, 1563611345, '365145dc', 35, 0, 0)

Line : 189
File : sessions.php