Rtorrent won't start anymore

Suddenly, rtorrent won’t start and always shown as red in the dashboard.

sytemlog

Nov  5 11:55:07 ns336499 systemd[1]: Stopped rTorrent.
Nov  5 11:55:07 ns336499 systemd[1]: Starting rTorrent...
Nov  5 11:55:07 ns336499 systemd[1]: Started rTorrent.
Nov  5 11:55:07 ns336499 killall[1852]: /usr/bin/rtorrent: no process found
Nov  5 11:55:07 ns336499 systemd[1]: [email protected]: Control process exited, code=exited status=1
Nov  5 11:55:07 ns336499 systemd[1]: [email protected]: Unit entered failed state.
Nov  5 11:55:07 ns336499 systemd[1]: [email protected]: Failed with result 'exit-code'.

.rtorrrent.rc

dht = no
directory.default.set = /home/toor/torrents/rtorrent
encoding.add = UTF-8
encryption = allow_incoming,try_outgoing,enable_retry,require_RC4
execute.nothrow = chmod,777,/home/toor/.config/rpc.socket
execute.nothrow = chmod,777,/home/toor/.sessions
network.port_random.set = yes
network.port_range.set = 51867-53367
network.scgi.open_port = 127.0.0.1:51867
network.tos.set = throughput
peer_exchange = no
pieces.hash.on_completion.set = no
schedule = watch_directory,5,5,load.start=/home/toor/rwatch/*.torrent
session.path.set = /home/toor/.sessions/
throttle.global_down.max_rate.set = 0
throttle.global_up.max_rate.set = 0
throttle.max_peers.normal.set = 100
throttle.max_peers.seed.set = -1
throttle.max_uploads.global.set = 100
throttle.min_peers.normal.set = 1
throttle.min_peers.seed.set = -1
trackers.use_udp.set = yes
use_udp_trackers = yes

log.open_file = "rtorrent", /home/toor/rtorrent.log
log.open_file = "tracker", /home/toor/tracker.log
log.open_file = "storage", /home/toor/storage.log

log.add_output = "info", "rtorrent"
log.add_output = "critical", "rtorrent"
log.add_output = "error", "rtorrent"
log.add_output = "warn", "rtorrent"
log.add_output = "notice", "rtorrent"
log.add_output = "debug", "rtorrent"

df -h

udev            1.9G     0  1.9G   0% /dev
tmpfs           393M   14M  380M   4% /run
/dev/sda2        20G  5.9G   13G  33% /
tmpfs           2.0G  8.0K  2.0G   1% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           2.0G     0  2.0G   0% /sys/fs/cgroup
/dev/sda3       1.8T  1.4T  382G  78% /home
/dev/sda1       487M  102M  356M  23% /boot
tmpfs           393M     0  393M   0% /run/user/1000

Can you help me please ?
I tried to reinstall by using apt install rtorrent but doesnt work

Nobody can help me please ?