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 ('30d00b0cec347cea3796a661de9ce681', -1, 1569030348, 1569030348, '22ccb0bd', -4, 0, 0)

Line : 189
File : sessions.php