Fatal error: Uncaught Error: Class "Magento\Framework\Exception\LocalizedException" not found in /home/airtimer/public_html/vendor/magento/framework-message-queue/MessageLockException.php:16 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/magento/framework-message-queue/MessageLockException.php on line 16