Fatal error: Uncaught Error: Class "Elastica\Aggregation\AbstractSimpleAggregation" not found in /var/www/html/w/vendor/ruflin/elastica/src/Aggregation/AbstractTermsAggregation.php:8 Stack trace: #0 {main} thrown in /var/www/html/w/vendor/ruflin/elastica/src/Aggregation/AbstractTermsAggregation.php on line 8