The error message is this:
How can I fix this? What might be the problem?
Uncaught (in promise) TypeError: Cannot read properties of null (reading 'map')
at toEventInput (plugin:obsidian-full-calendar:62537:42)
at eval (plugin:obsidian-full-calendar:63740:38)
at Array.flatMap (<anonymous>)
at eval (plugin:obsidian-full-calendar:63740:22)
at Array.map (<anonymous>)
at CalendarView.translateSources (plugin:obsidian-full-calendar:63738:45)
at CalendarView.eval (plugin:obsidian-full-calendar:63761:28)
at Generator.next (<anonymous>)
at fulfilled (plugin:obsidian-full-calendar:65:24)