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 ('c1c41199e187bb1079123721b7ba4ae4', -1, 1563599451, 1563599451, '12cef11a', 1, 0, 0)

Line : 189
File : sessions.php