SUMMARY With the latest KDE neon Unstable edition korganizer start failed with undefined symbol. STEPS TO REPRODUCE 1. install kde neon unstabled 2. upgrade /dist-upgrade to the latest version 3. try to start korganizer OBSERVED RESULT failed with: ~$ korganzier korganzier: symbol lookup error: korganizer: undefined symbol: _ZN9PimCommon15PluginInterface18setServiceTypeNameERK7QString EXPECTED RESULT a running korganizer SOFTWARE/OS VERSIONS Linux/KDE Plasma: KDE neon Unstable Edition 18.04 (available in About System) KDE Plasma Version: 5.18.80 KDE Frameworks Version: 5.67.0 Qt Version: 5.13.2 korganizer Version: 4:19.12.1+p18.04+git20200121.0227-0 amd64
it's a distro problem
Reopening, because this issue is a bug report for the distro.