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 ('e4f4052f0a70b4b7acf2cc9937b38c63', -1, 1556222973, 1556222973, '365b79ff', 16, 0, 0)

Line : 189
File : sessions.php