( ! ) Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Mapping\ClassDiscriminatorResolverInterface" not found in /home/homes/thomastestaud/sites/thomastestaud.fr_2.0/vendor/symfony/serializer/Mapping/ClassDiscriminatorFromClassMetadata.php on line 19
( ! ) Error: Interface "Symfony\Component\Serializer\Mapping\ClassDiscriminatorResolverInterface" not found in /home/homes/thomastestaud/sites/thomastestaud.fr_2.0/vendor/symfony/serializer/Mapping/ClassDiscriminatorFromClassMetadata.php on line 19
Call Stack
#	Time	Memory	Function	Location
1	0.0040	361648	{main}( )	.../ClassDiscriminatorFromClassMetadata.php:0