Cannot read properties of undefined (reading 'formatDate')
Solution 1:
this is old version
$.fullCalendar.formatDate(event.start, "Y-MM-DD HH:mm:ss");
Solution:
moment(event.start, 'DD.MM.YYYY').format('YYYY-MM-DD HH:mm:ss')
this is old version
$.fullCalendar.formatDate(event.start, "Y-MM-DD HH:mm:ss");
Solution:
moment(event.start, 'DD.MM.YYYY').format('YYYY-MM-DD HH:mm:ss')