Greasy Fork is available in English.
게시물의 사진과 동영상뿐만 아니라 스토리, 릴 또는 프로필 사진도 다운로드할 수 있습니다.
This is wrong photos position cause it.
And your problem just a coincidence.
So... That error has been fixed in version 2.0.18.
Please try again at latest version!
on Firefox direct download is not working it just opens an about:blank tab when clicking download arrow.
anyway thanks.