Fatal error: Uncaught Error: Class "Magento\Framework\Exception\LocalizedException" not found in /home/airtimer/public_html/vendor/magento/module-page-cache/Exception/UnsupportedVarnishVersion.php:11 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/magento/module-page-cache/Exception/UnsupportedVarnishVersion.php on line 11