KOrganizer
Version 5.9.1
KDE Frameworks 5.49.0
Qt 5.11.1 (built against 5.11.1)
The xcb windowing system
Manjaro KDE stable

"select a valid collection first" when create new events in KOrganizer. Can I reset it?
Also, I delete something called personal Calendar in KOrganizer setting>Generals>Calendars and when I tried to add it, its not in the option.
Thanks.