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 ('6992b0b826011595c73144203641ee2d', -1, 1563678957, 1563678957, '035149e9', 20, 0, 0)

Line : 189
File : sessions.php