Fatal error: Uncaught Error: Interface 'Eluceo\iCal\Property\ValueInterface' not found in /var/www/html/ng-crm/yiiapp/vendor/eluceo/ical/src/Property/Event/RecurrenceRule.php:23 Stack trace: #0 {main} thrown in /var/www/html/ng-crm/yiiapp/vendor/eluceo/ical/src/Property/Event/RecurrenceRule.php on line 23