Articles in this category Network Errors A network error is an upload request that failed on the way: a timeout, a dropped connection, a proxy or Cloudflare error, or a busy server answering 503, 429 or 508. It is about the connection, not t... Upload Issues (File Upload Errors) An upload issue is a problem with one file. It is different from a network error: the connection was fine, but this file could not be uploaded. Where to see them When a file fails, an Upload issues bu... Web Server Errors Some errors come from the web server or something in front of it, such as a proxy, a firewall or Cloudflare, before WordPress sees the upload. The server sends back an error page instead of an answer ... Image engine could not start (fallback mode) Flying Pigs does its image work in your browser with a built-in image engine. On most computers it simply runs. When it cannot, the page does not give up: it switches to fallback mode, uploads your or...