The number of torrents I have change if I need to restart qbittorrent

[macgvyer007]

This morning I had over 800 torrents in my queue. I had to shut down the program later in the day and when I came back a couple of hours later and started up the program, I only had 285 torrents. Why is qbittorrent not keeping all my torrents. I've tried this a few times and each time I start the program back up, it looses half or more of my torrents. Any suggestions

Thank you
Corey