Hello, Everything is working fine so far.
However, when I am trying to download the files (png, jpg) I have attached in the invoice, it's giving me 404 Not found error and can't download the files.

This is the link.
https://wujukorea.com/admin/welcome/download/74f159c08ac7ae322ae73a9cf8a4635d.png

Do you know what could be causing this?