Grouping Events by Month/Week/Day - Twig Runtime Error about craft-calendar HOT 2 CLOSED

{% set events =
     craft.calendar.events({
     rangeStart: 'today',
     rangeEnd: '+2 months',
     calendar: siteCalendar,
     limit: 3,
     loadOccurrences: 'next'
   })
%}

{% set groupedByDay = events.groupedByDay() %}
    {% for day in groupedByDay %}
      <li class="flex flex-col gap-2">
        <span class="text-xs font-bold uppercase text-primary-700">
          {{ day.startDate.format('D n/j') }}
        </span>
        {% for event in day.events %}
          {% set eventUrl = event.url %}

        {% if event.repeating %}
          {% set eventUrl = eventUrl ~ '/' ~ event.startDate.format('Y-m-d')
          %}
        {% endif %}
        <a href="{{ eventUrl }}" class="text-[15px] leading-[19px]">
          {{ event.title }}
        </a>
    {% endfor %}
  </li>
{% endfor %}