Unknown custom element: [xxx] – did you register the component correctly…

Solution

1. See if the component is registered on the page

     export default {
        data(){
              return{
        },
        components: {
            FullCalendar// //Register Component
        },
      }
    }

2. Check to see if a correctly written component is introduced into the page

<script>
    import FullCalendar from '@fullcalendar/vue'
</script>

3. This error can be reported by checking whether the above two points are correct, which can solve the error reporting problem of custom components.

Read More: