( ! ) Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Mapping\ClassDiscriminatorResolverInterface" not found in /home/homes/alexandrelus/sites/live39/developmentJS/live39Al/PHP/module3/php-symphony-twig/project/vendor/symfony/serializer/Mapping/ClassDiscriminatorFromClassMetadata.php on line 19
( ! ) Error: Interface "Symfony\Component\Serializer\Mapping\ClassDiscriminatorResolverInterface" not found in /home/homes/alexandrelus/sites/live39/developmentJS/live39Al/PHP/module3/php-symphony-twig/project/vendor/symfony/serializer/Mapping/ClassDiscriminatorFromClassMetadata.php on line 19
Call Stack
#	Time	Memory	Function	Location
1	0.0045	362792	{main}( )	.../ClassDiscriminatorFromClassMetadata.php:0