Fatal error: Uncaught Error: Class "Symfony\Component\Form\Extension\Core\DataTransformer\NumberToLocalizedStringTransformer" not found in /home/ntpcbgtpp/public_html/mat1/src/Form/Type/Helper/ExponentialNumberTransformer.php:33 Stack trace: #0 {main} thrown in /home/ntpcbgtpp/public_html/mat1/src/Form/Type/Helper/ExponentialNumberTransformer.php on line 33