systemctl status transmission-daemon

● transmission-daemon.service - Transmission BitTorrent Daemon
   Loaded: loaded (/lib/systemd/system/transmission-daemon.service; enabled; vendor preset: enabled)
   Active: active (running) since Tue 2017-11-07 21:59:47 CET; 8min ago
 Main PID: 774 (transmission-da)
   Status: "Idle."
    Tasks: 3 (limit: 4915)
   CGroup: /system.slice/transmission-daemon.service
           └─774 /usr/bin/transmission-daemon -f --log-error

nov. 07 22:06:57 pierre-T100HAN transmission-daemon[774]: [2017-11-07 22:06:57.887] watchdir Failed to open directory "/media/pierre/Documents/DOWNLOADS/TORRENTS/watch" (13): Permission denied (watchdir.c:354)
nov. 07 22:07:07 pierre-T100HAN transmission-daemon[774]: [2017-11-07 22:07:07.887] watchdir Failed to open directory "/media/pierre/Documents/DOWNLOADS/TORRENTS/watch" (13): Permission denied (watchdir.c:354)
nov. 07 22:07:17 pierre-T100HAN transmission-daemon[774]: [2017-11-07 22:07:17.889] watchdir Failed to open directory "/media/pierre/Documents/DOWNLOADS/TORRENTS/watch" (13): Permission denied (watchdir.c:354)
nov. 07 22:07:27 pierre-T100HAN transmission-daemon[774]: [2017-11-07 22:07:27.887] watchdir Failed to open directory "/media/pierre/Documents/DOWNLOADS/TORRENTS/watch" (13): Permission denied (watchdir.c:354)
nov. 07 22:07:37 pierre-T100HAN transmission-daemon[774]: [2017-11-07 22:07:37.888] watchdir Failed to open directory "/media/pierre/Documents/DOWNLOADS/TORRENTS/watch" (13): Permission denied (watchdir.c:354)
nov. 07 22:07:47 pierre-T100HAN transmission-daemon[774]: [2017-11-07 22:07:47.889] watchdir Failed to open directory "/media/pierre/Documents/DOWNLOADS/TORRENTS/watch" (13): Permission denied (watchdir.c:354)
nov. 07 22:07:57 pierre-T100HAN transmission-daemon[774]: [2017-11-07 22:07:57.888] watchdir Failed to open directory "/media/pierre/Documents/DOWNLOADS/TORRENTS/watch" (13): Permission denied (watchdir.c:354)
nov. 07 22:08:07 pierre-T100HAN transmission-daemon[774]: [2017-11-07 22:08:07.889] watchdir Failed to open directory "/media/pierre/Documents/DOWNLOADS/TORRENTS/watch" (13): Permission denied (watchdir.c:354)
nov. 07 22:08:17 pierre-T100HAN transmission-daemon[774]: [2017-11-07 22:08:17.888] watchdir Failed to open directory "/media/pierre/Documents/DOWNLOADS/TORRENTS/watch" (13): Permission denied (watchdir.c:354)
nov. 07 22:08:27 pierre-T100HAN transmission-daemon[774]: [2017-11-07 22:08:27.889] watchdir Failed to open directory "/media/pierre/Documents/DOWNLOADS/TORRENTS/watch" (13): Permission denied (watchdir.c:354)