I had a similar problem. I fixed it by delaying the start of Deluge until my server's network connection was really online. My Fedora uses systemd. I've modified the deluge service unit file by adding something like: After=network-online.target Wants=network-online.target I don't remember exactly w...

I got the same issue running deluged (1.3.12-1ubuntu1) and Ubuntu 16.04.4 LTS.

I have no idea how to fix it. Right now i'm restarting the daemon through the web ui every time after i add a torrent.