add usage vs qtymin calc

productressources.php

@@ -63,7 +63,7 @@ $configOptions = Capsule::table('tblproductconfigoptions')
     ->get();
 
 $this->service = new Service();
-$this->serviceId = $id;
+$this->service->setServiceId($id);
 $this->service->loadWhmcsService();
 $this->ressource = new ResourceManager();