Make sure that /config/qBittorrent/downloads/ is mapped to the downloads directory
MODIFY
compose/.apps/qbittorrentvpn/qbittorrentvpn.yml
compose/.apps/qbittorrentvpn/qbittorrentvpn.yml
@@ -26,6 +26,7 @@ services:
- /etc/localtime:/etc/localtime:ro
- ${DOCKERCONFDIR}/qbittorrentvpn:/config
- ${DOCKERSHAREDDIR}:/shared
+ - ${DOWNLOADSDIR}:/config/qBittorrent/downloads
- ${DOWNLOADSDIR}:/data
- ${DOWNLOADSDIR}:/downloads
- ${VPN_OVPNDIR}:/config/openvpn

Make sure that /config/qBittorrent/downloads/ is mapped to the downloads directory