Tvheadend

Hello everyone,
Install tvheadend version 4.2.4 with apt-get install tvheadend by following the doc on https://tvheadend.org/projects/tvheadend/wiki/AptRepositories and unfortunately no scan works.
My key is correctly recognized below:

3.232275] systemd[1]: Detected architecture arm.
[    3.253151] systemd[1]: Set hostname to <raspberrypi>.
[    3.262980] usb 1-1.2: new high-speed USB device number 4 using dwc_otg
[    3.343550] random: systemd: uninitialized urandom read (16 bytes read)
[    3.405325] usb 1-1.2: New USB device found, idVendor=0fd9, idProduct=003f
[    3.415587] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[    3.426061] usb 1-1.2: Product: EyeTV DTT
[    3.433220] usb 1-1.2: Manufacturer: Elgato
[    3.440331] usb 1-1.2: SerialNumber: 005
[    3.615713] random: systemd-cryptse: uninitialized urandom read (16 bytes read)
[    3.715032] uart-pl011 20201000.serial: no DMA platform data
[    4.377615] systemd[1]: Listening on fsck to fsckd communication Socket.
[    4.393402] systemd[1]: Listening on udev Control Socket.
[    4.406673] systemd[1]: Listening on Syslog Socket.
[    4.420164] systemd[1]: Created slice User and Session Slice.
[    4.433742] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
[    4.449488] systemd[1]: Created slice System Slice.
[    4.467791] systemd[1]: Mounting RPC Pipe File System...
[    7.007406] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[    7.623932] systemd-journald[68]: Received request to flush runtime journal from PID 1
[   10.323718] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[   10.376970] bcm2835_alsa bcm2835_alsa: card created with 8 channels
[   13.134327] dvb-usb: found a 'Elgato EyeTV DTT rev. 2' in warm state.
[   13.134639] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
[   13.134927] dvbdev: DVB: registering new adapter (Elgato EyeTV DTT rev. 2)
[   14.503485] usb 1-1.2: DVB: registering adapter 0 frontend 0 (DiBcom 7000PC)...
[   15.339639] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
[   15.563021] dib0070: DiB0070: successfully identified
[   15.563109] Registered IR keymap rc-dib0700-rc5
[   15.563875] rc rc0: IR-receiver inside an USB DVB receiver as /devices/platform/soc/20980000.usb/usb1/1-1/1-1.2/rc/rc0
[   15.564249] input: IR-receiver inside an USB DVB receiver as /devices/platform/soc/20980000.usb/usb1/1-1/1-1.2/rc/rc0/input0
[   15.564287] dvb-usb: schedule remote query interval to 50 msecs.
[   15.564305] dvb-usb: Elgato EyeTV DTT rev. 2 successfully initialized and connected.
[   15.564950] usbcore: registered new interface driver dvb_usb_dib0700
[   16.102513] random: crng init done
[   16.102537] random: 7 urandom warning(s) missed due to ratelimiting
[   16.890562] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0xC5E1
[   18.502659] Adding 102396k swap on /var/swap.  Priority:-2 extents:1 across:102396k SSFS
[   25.803130] usb 1-1.2: DVB: adapter 0 frontend 0 frequency 0 out of range (45000000..860000000)

I think of a problem of rights but I do not know what to do.
Can you help me ?
thank you