invaliddestinationexception.php

См. документацию.

<?php
namespace Bitrix\Calendar\Core\Queue\Exception;
 
class InvalidDestinationException extends Exception
{
    public static function assertDestinationInstanceOf($destination, string $class): void
    {
        if (!$destination instanceof $class) {
            throw new static(sprintf(
                'The destination must be an instance of %s but got %s.',
                $class,
                is_object($destination) ? get_class($destination) : gettype($destination)
            ));
        }
    }
}