Fatal error: Uncaught TypeError: Argument 1 passed to App\Service\CurrencyService::getByIsoName() must be of the type string, null given, called in /var/www/html/public/index.php on line 21 and defined in /var/www/html/public/includes/Service/CurrencyService.php:19 Stack trace: #0 /var/www/html/public/index.php(21): App\Service\CurrencyService->getByIsoName(NULL) #1 {main} thrown in /var/www/html/public/includes/Service/CurrencyService.php on line 19