Fatal error: Uncaught Error: Class "Mollie\Api\Endpoints\CollectionEndpointAbstract" not found in /home/wilpf/public_html/pms/vendor/mollie/mollie-api-php/src/Endpoints/InvoiceEndpoint.php:9 Stack trace: #0 {main} thrown in /home/wilpf/public_html/pms/vendor/mollie/mollie-api-php/src/Endpoints/InvoiceEndpoint.php on line 9