Fatal error: Could not check compatibility between rdfInterface\QuadIteratorAggregateInterface::getIterator(rdfInterface\QuadCompareInterface|rdfInterface\QuadIteratorInterface|rdfInterface\QuadIteratorAggregateInterface|callable|null $filter = null): rdfInterface\QuadIteratorInterface and IteratorAggregate::getIterator(): Traversable, because class rdfInterface\QuadIteratorInterface is not available in /var/www/html/vendor/sweetrdf/rdf-interface/src/rdfInterface/QuadIteratorAggregateInterface.php on line 55