Bug 409310

SUMMARY
Cannot install software from discover. Get error message: You have no authorization to execute this operation

STEPS TO REPRODUCE
1. open Discover
2. Choose application 
3. Click install button

OBSERVED RESULT

Get error message: You have no authorization to execute this operation


EXPECTED RESULT

Software gets installed

SOFTWARE/OS VERSIONS
Operating System: Kubuntu 19.04
KDE Plasma Version: 5.16.2
KDE Frameworks Version: 5.59.0
Qt Version: 5.12.2
Kernel Version: 5.0.0-20-generic
OS Type: 64-bit
Processors: 16 × AMD Ryzen 7 2700X Eight-Core Processor
Memory: 31.4 GiB of RAM

ADDITIONAL INFORMATION

SYSLOG:

PackageKit: new install-packages transaction /3004_beadccae scheduled from uid 1000
PackageKit: in /3004_beadccae for install-packages package libqt5serialport5;5.12.2-1;amd64;ubuntu-disco-universe was installing for uid 1000
PackageKit: in /3004_beadccae for install-packages package stellarium;0.18.3-1;amd64;ubuntu-disco-universe was installing for uid 1000
PackageKit: in /3004_beadccae for install-packages package stellarium-data;0.18.3-1;all;ubuntu-disco-universe was installing for uid 1000
PackageKit: install-packages transaction /3004_beadccae from uid 1000 finished with success after 437ms
kernel: [  731.103659] polkitd[1102]: segfault at 8 ip 00007fae75e56eb6 sp 00007fff08b50b10 error 4 in libpolkit-backend-1.so.0.0.0[7fae75e4d000+d000]
kernel: [  731.103665] Code: d0 6d ff ff 48 89 eb 48 89 44 24 08 eb 53 66 0f 1f 44 00 00 48 8b 44 24 10 4c 89 e1 be 10 00 00 00 31 ff 48 8d 15 67 5b 00 00 <4c> 8b 40 08 31 c0 e8 cf 71 ff ff 48 8b 7c 24 10 e8 b5 6f ff ff 4c
systemd[1]: polkit.service: Main process exited, code=dumped, status=11/SEGV
systemd[1]: polkit.service: Failed with result 'core-dump'.
dbus-daemon[1020]: [system] Activating via systemd: service name='org.freedesktop.PolicyKit1' unit='polkit.service' requested by ':1.14' (uid=0 pid=1029 comm="/usr/sbin/NetworkManager --no-daemon " label="unconfined")
systemd[1]: Starting Authorization Manager...
polkitd[7195]: started daemon version 0.105 using authority implementation `local' version `0.105'
dbus-daemon[1020]: [system] Successfully activated service 'org.freedesktop.PolicyKit1'
systemd[1]: Started Authorization Manager.