Fatal error: Uncaught Error: Class 'Magento\Fedex\Model\Source\Generic' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-fedex/Model/Source/Unitofmeasure.php:9 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-fedex/Model/Source/Unitofmeasure.php on line 9