Fatal error: Uncaught Error: Class "Mollie\Api\Endpoints\CollectionEndpointAbstract" not found in C:\xampp\htdocs\hannoole\PMS\vendor\mollie\mollie-api-php\src\Endpoints\SalesInvoiceEndpoint.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hannoole\PMS\vendor\mollie\mollie-api-php\src\Endpoints\SalesInvoiceEndpoint.php on line 10