Since Elon's Twitter takeover, stricter rate limits were implemented which affect Danbooru's ability to grab images from the site. You will intermittently experience difficulty with uploading Twitter posts because of this.
That's true, but this image is from Reddit.
Uploading from Reddit has also been suffering from some instabilities for some time. An alternative route people are using as a fallback is to download the image using Gallery-DL and uploading it manually. It absolutely beats having to deal with the assbackward Reddit image preview nonsense.
