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 ('5bd0d032c4b3377cdd470ad17fdf022b', -1, 1568934197, 1568934197, '22ccb0bd', -4, 0, 0)

Line : 189
File : sessions.php