Fatal error: Uncaught Error: Class "Webkul\Core\Helpers\Exchange\ExchangeRate" not found in /var/www/html/packages/Webkul/Core/src/Helpers/Exchange/FixerExchange.php:8 Stack trace: #0 {main} thrown in /var/www/html/packages/Webkul/Core/src/Helpers/Exchange/FixerExchange.php on line 8