Fatal error: Uncaught Error: Interface 'Magento\Framework\View\Element\BlockInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/framework/View/Element/ExceptionHandlerBlock.php:21 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/framework/View/Element/ExceptionHandlerBlock.php on line 21