Tvheadend

Like the title says, it does not start at all.

From syslog I get this:

Feb 20 08:17:13 master systemd¹: Started Tvheadend.
Feb 20 08:17:13 master tvheadend⁹²⁹⁴: main: Log started
Feb 20 08:17:13 master tvheadend⁹²⁹⁴: http: Starting HTTP server 0.0.0.0:9981
Feb 20 08:17:13 master tvheadend⁹²⁹⁴: htsp: Starting HTSP server 0.0.0.0:9982
Feb 20 08:17:13 master tvheadend⁹²⁹⁴: config: backup: migrating config from 4.3-1054~g1d2374ae6 (running 4.3-1092~g508766e15)
Feb 20 08:17:13 master tvheadend⁹²⁹⁴: config: backup: running, output file /home/tycho/.hts/tvheadend/backup/4.3-1054~g1d2374ae6.tar.bz2
Feb 20 08:17:13 master tvheadend⁹²⁹⁴: spawn: Executing "/bin/tar"
Feb 20 08:17:13 master tvheadend⁹²⁹⁴: config: backup: completed
Feb 20 08:17:13 master tvheadend⁹²⁹⁴: config: loaded
Feb 20 08:17:13 master tvheadend⁹²⁹⁴: main: iconv() routine is not working properly, aborting!
Feb 20 08:17:13 master tvheadend⁹²⁹⁴: config: scanfile (re)initialization with path <none>
Feb 20 08:17:15 master tvheadend⁹²⁹⁴: CRASH: Signal: 6 in PRG: /usr/src/tvheadend/build.linux/tvheadend (4.3-1092~g508766e15) [5319930ca24f8fde71410b6a5774ba0f3f8480c5] CWD: /
Feb 20 08:17:15 master tvheadend⁹²⁹⁴: CRASH: Fault address 0x3e80000244e (N/A)
Feb 20 08:17:15 master tvheadend⁹²⁹⁴: CRASH: Loaded libraries: linux-vdso.so.1 /usr/lib/x86_64-linux-gnu/libssl.so.1.1 /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 /lib/x86_64-linux-gnu/libz.so.1 /lib/x86_64-linux-gnu/libpcre.so.3 /usr/lib/x86_64-linux-gnu/liburiparser.so.1 /usr/lib/x86_64-linux-gnu/libavahi-common.so.3 /usr/lib/x86_64-linux-gnu/libavahi-client.so.3 /usr/lib/x86_64-linux-gnu/libva.so.1 /usr/lib/x86_64-linux-gnu/libva-x11.so.1 /usr/lib/x86_64-linux-gnu/libva-drm.so.1 /lib/x86_64-linux-gnu/libdbus-1.so.3 /lib/x86_64-linux-gnu/libdl.so.2 /lib/x86_64-linux-gnu/libpthread.so.0 /lib/x86_64-linux-gnu/libm.so.6 /lib/x86_64-linux-gnu/librt.so.1 /usr/lib/x86_64-linux-gnu/libcrystalhd.so.3 /usr/lib/x86_64-linux-gnu/libvdpau.so.1 /usr/lib/x86_64-linux-gnu/libX11.so.6 /usr/lib/x86_64-linux-gnu/libxcb.so.1 /usr/lib/x86_64-linux-gnu/libxcb-xfixes.so.0 /usr/lib/x86_64-linux-gnu/libxcb-shape.so.0 /usr/lib/x86_64-linux-gnu/libsndio.so.6.1 /usr/lib/x86_64-linux-gnu/libasound.so.2 /usr/lib/x86_64-linux-gnu/libstdc++.so.6 /lib/x86_64-linux-gnu/libmvec
Feb 20 08:17:15 master tvheadend⁹²⁹⁴: CRASH: Register dump [23]: 000000000000000000007ffca1841ec00000000000000008000000000000024600007ffca184235000007ffca18422d000007ffca18422d0000000000000002c000000000000000200007ffca1841ec000007ffca1842d0000000000000000060000000000000000000000000000000000007f7293395fcf00007ffca1841f3800007f7293395fcf0000000000000246002b00000000003300000000000000000000000000000000fffffffe7ffbfa170000000000000000
Feb 20 08:17:15 master tvheadend⁹²⁹⁴: CRASH: STACKTRACE
Feb 20 08:17:15 master tvheadend⁹²⁹⁴: CRASH: /usr/src/tvheadend/src/trap.c:148 0x55dcc3c618da 0x55dcc3a4c000
Feb 20 08:17:15 master tvheadend⁹²⁹⁴: CRASH: ??:0 0x7f7295abc0c0 0x7f7295aab000
Feb 20 08:17:15 master tvheadend⁹²⁹⁴: CRASH: gsignal+0xcf (/lib/x86_64-linux-gnu/libc.so.6)
Feb 20 08:17:15 master tvheadend⁹²⁹⁴: CRASH: abort+0x16a (/lib/x86_64-linux-gnu/libc.so.6)
Feb 20 08:17:16 master tvheadend⁹²⁹⁴: CRASH: /usr/src/tvheadend/src/intlconv.c:35 0x55dcc3c7b2ac 0x55dcc3a4c000
Feb 20 08:17:16 master tvheadend⁹²⁹⁴: CRASH: /usr/src/tvheadend/src/main.c:1217 (discriminator 3) 0x55dcc3c18b02 0x55dcc3a4c000
Feb 20 08:17:16 master tvheadend⁹²⁹⁴: CRASH: __libc_start_main+0xf1 (/lib/x86_64-linux-gnu/libc.so.6)
Feb 20 08:17:16 master systemd¹: tvheadend.service: Main process exited, code=killed, status=6/ABRT
Feb 20 08:17:16 master systemd¹: tvheadend.service: Unit entered failed state.
Feb 20 08:17:16 master systemd¹: tvheadend.service: Failed with result 'signal'.