Calendar View Plugin error

Out of moves debugging this plugin. [K5 php8.3]
Config following the plugin docs.

config/config.php

'konzentrik.calendarview' => [
'licenseKey' => 'XXXXXXXXXXXXXXX',
'secret' => 'artevents',
'timezone' => 'Australia/Sydney',
'dateField' => 'date',
'dateEndField' => 'dateend',
'collections' => [
'events',
   ],
 ],

/collections/events.php

return function ($site) {
    return $site->find('events')->children()->listed();
};

/debug test

],

'routes' => [
 [
'pattern' => 'debug/events.json',
'action' => function () {
 $events = site()->find('events')->children()->listed();
return [
'count' => $events->count(),
'fields' => ['title', 'date', 'dateend', 'venue', 'short'],
'events' => $events->map(function($event) {
return [
'title' => $event->title()->value(),
'date' => $event->date()->value(),
'dateend' => $event->dateend()->value(),
'venue' => $event->venue()->value(),
'short' => $event->short()->value(),
'id' => $event->id(),
'slug' => $event->slug(),

                    ];

                })

            ];

        }

     ],

delivers a list of events to json.
Any ideas?

I just answered your email, let’s see if we can solve it over there.