Fatal error: Uncaught Error: Class 'Magento\Wishlist\Block\AbstractBlock' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-wishlist/Block/Customer/Sidebar.php:19 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-wishlist/Block/Customer/Sidebar.php on line 19