Fatal error: Uncaught Error: Interface 'Magento\Payment\Gateway\Response\HandlerInterface' not found in /home/esecureh/public_html/magdemo/vendor/paypal/module-braintree-core/Gateway/Response/PaymentDetailsHandler.php:18 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/paypal/module-braintree-core/Gateway/Response/PaymentDetailsHandler.php on line 18