Fatal error: Uncaught Error: Class "Elastica\Aggregation\AbstractAggregation" not found in /home/yrdsb11w3creativ/public_html/vendor/ruflin/elastica/src/Aggregation/CumulativeSum.php:10 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/vendor/ruflin/elastica/src/Aggregation/CumulativeSum.php on line 10