Just to add, in case this helps with troubleshooting, uploading a non torrent file does trigger the "not a valid torrent" message, so the files at least seem to be reaching the daemon

I'm unable to add torrents to Deluge using the web UI. I can upload the torrent file to the add torrent window but nothing happens when I click the button. I did manage to add a torrent via the console and it downloaded fine, and showed up in the web UI. I have tried this on two Raspberry Pi compute...