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 ('ace8721eedc7d60d5678658380315eab', -1, 1560965168, 1560965168, '36f219c6', 14, 0, 0)

Line : 189
File : sessions.php