Fatal error: Uncaught Error: Class "Magento\Catalog\Block\Navigation" not found in /home/airtimer/public_html/app/code/Magiccart/Magicmenu/Block/Menu.php:14 Stack trace: #0 {main} thrown in /home/airtimer/public_html/app/code/Magiccart/Magicmenu/Block/Menu.php on line 14