Tvheadend

Hi All,

Is someone able to help me, I have re-installed tvheadend following upgrade of my pc from ubuntu 16.04 to ubuntu 18.04.

When I launch tvheadend in a terminal i get the following errors:

2018-07-21 18:41:34.756 [   INFO] main: Log started
2018-07-21 18:41:34.757 [   INFO] tcp: No systemd socket: creating a new one
2018-07-21 18:41:34.757 [   INFO] http: Starting HTTP server 0.0.0.0:9981
2018-07-21 18:41:34.757 [   INFO] tcp: No systemd socket: creating a new one
2018-07-21 18:41:34.757 [   INFO] htsp: Starting HTSP server 0.0.0.0:9982
2018-07-21 18:41:34.764 [   INFO] config: backup: migrating config from 4.3-1288~g66d6161 (running 4.2.6-15~g88ae07789~bionic)
2018-07-21 18:41:34.764 [   INFO] config: backup: running, output file /home/xbmcuser/.hts/tvheadend/backup/4.3-1288~g66d6161.tar.bz2
2018-07-21 18:41:34.765 [   INFO] spawn: Executing "/bin/tar" 
2018-07-21 18:41:34.825 [   INFO] config: backup: completed
2018-07-21 18:41:34.826 [   INFO] config: loaded
2018-07-21 18:41:34.826 [   INFO] config: scanfile (re)initialization with path <none>
2018-07-21 18:41:34.832 [   INFO] linuxdvb: adapter added /dev/dvb/adapter0
2018-07-21 18:41:34.833 [   INFO] linuxdvb: adapter 0 setting exclusive flag
2018-07-21 18:41:34.834 [   INFO] dvr: Creating new configuration ''
2018-07-21 18:41:34.834 [   INFO] dvr: Creating new configuration '! New config'
2018-07-21 18:41:34.834 [  ERROR] caclient: wrong class caclient_dvbcam!
2018-07-21 18:41:34.834 [  ALERT] CRASH: Signal: 6 in PRG: tvheadend (4.2.6-15~g88ae07789~bionic) [b95a90feeeabedf5ca670cda82d1d8ca0096d4bb] CWD: /home/xbmcuser  
2018-07-21 18:41:34.834 [  ALERT] CRASH: Fault address 0x3ea00001f4a (N/A)
2018-07-21 18:41:34.834 [  ALERT] CRASH: Loaded libraries: linux-vdso.so.1 /usr/lib/x86_64-linux-gnu/libhdhomerun.so.4 /usr/lib/x86_64-linux-gnu/libdvbcsa.so.1 /usr/lib/libdvben50221.so /usr/lib/libdvbapi.so /usr/lib/libucsi.so /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 /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/libavfilter.so.6 /usr/lib/x86_64-linux-gnu/libavresample.so.3 /usr/lib/x86_64-linux-gnu/libavformat.so.57 /usr/lib/x86_64-linux-gnu/libavcodec.so.57 /usr/lib/x86_64-linux-gnu/libavutil.so.55 /lib/x86_64-linux-gnu/libdbus-1.so.3 /lib/x86_64-linux-gnu/libsystemd.so.0 /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 /lib/x86_64-linux-gnu/libc.so.6 /usr/lib/x86_64-linux-gnu/libswscale.so.4 /usr/lib/x86_64-linux-gnu/libpostproc.so.54 /usr/lib/x86_64-linux-gnu/libs
2018-07-21 18:41:34.834 [  ALERT] CRASH: Register dump [23]: 000000000000000000007ffe8c90790000000000000000080000000000000246000055f3e25fc1ae000055f3e25e2a50000055f3e25e2a780000000000000000000000000000000200007ffe8c907900000055f3e236f66000000000000000000000000000000000000000000000000000007f0dc3058e9700007ffe8c90790000007f0dc3058e970000000000000246002b00000000003300000000000000000000000000000000fffffffe7ffbfa170000000000000000
2018-07-21 18:41:34.834 [  ALERT] CRASH: STACKTRACE
2018-07-21 18:41:34.850 [  ALERT] CRASH: ??:0 0x55f3e1ef8bed 0x55f3e1d67000
2018-07-21 18:41:34.865 [  ALERT] CRASH: ??:0 0x7f0dc39c3890 0x7f0dc39b1000
2018-07-21 18:41:34.865 [  ALERT] CRASH: gsignal+0xc7  (/lib/x86_64-linux-gnu/libc.so.6)
2018-07-21 18:41:34.865 [  ALERT] CRASH: abort+0x141  (/lib/x86_64-linux-gnu/libc.so.6)
2018-07-21 18:41:34.877 [  ALERT] CRASH: ??:? 0x55f3e1f65107 0x55f3e1d67000
2018-07-21 18:41:34.889 [  ALERT] CRASH: ??:? 0x55f3e1f6536b 0x55f3e1d67000
2018-07-21 18:41:34.901 [  ALERT] CRASH: ??:? 0x55f3e1f62333 0x55f3e1d67000
2018-07-21 18:41:34.912 [  ALERT] CRASH: ??:0 0x55f3e1eb080b 0x55f3e1d67000
2018-07-21 18:41:34.912 [  ALERT] CRASH: __libc_start_main+0xe7  (/lib/x86_64-linux-gnu/libc.so.6)
Abandon (core dumped)

Thank you for your help