Fatal error: Uncaught Error: Interface "Magento\Framework\View\Element\Block\ArgumentInterface" not found in /var/www/magento/html/app/code/Aligent/SearchAutocomplete/ViewModel/Helper.php:8 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/Aligent/SearchAutocomplete/ViewModel/Helper.php on line 8