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 ('529f5d3204bbf43b7c2710b5cb5a1c04', -1, 1563420668, 1563420668, '035149e9', 34, 0, 0)

Line : 189
File : sessions.php