Fatal error: Uncaught Error: Interface 'Magento\Checkout\Block\Checkout\LayoutProcessorInterface' not found in /home/esecureh/public_html/magdemo/vendor/paypal/module-braintree-core/Block/LayoutProcessor/Checkout/Onepage.php:18 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/paypal/module-braintree-core/Block/LayoutProcessor/Checkout/Onepage.php on line 18