Fatal error: Uncaught Error: Class "Magento\Sales\Model\Order\Email\Sender" not found in /home/airtimer/public_html/vendor/magento/module-inventory-in-store-pickup-sales/Model/Order/Email/ReadyForPickupSender.php:26 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/magento/module-inventory-in-store-pickup-sales/Model/Order/Email/ReadyForPickupSender.php on line 26