I can't download generated graphics on macOS or Chrome. Pop-up windows aren't blocked, and I've cleared my browser cache. After clicking "Download," nothing opens (I don't have pop-up windows blocked).

I can't download generated graphics on macOS or Chrome. Pop-up windows aren't blocked, and I've cleared my browser cache. After clicking "Download," nothing opens; the download window doesn't appear (I don't have pop-up windows blocked). I have credits.