SUMMARY Can't create new tasks because it doesn't shows an active calendar even I have one installed. STEPS TO REPRODUCE 1. ADD a new task 2. Set time and date and accept 3. It doesn't creates because there it is not an active calendar OBSERVED RESULT No tasks can be added even I've created a new calendar. EXPECTED RESULT Add a new task SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: 19.10 (available in About System) KDE Plasma Version: 5.16.5 KDE Frameworks Version: 5.62.0 Qt Version: 5.12.4 ADDITIONAL INFORMATION I've deleted all the calendar and imported again, same problem, I've created a new one, same problem