( ! ) Fatal error: Uncaught Error: Class 'Symfony\Component\Serializer\Normalizer\AbstractNormalizer' not found in /var/www/html/invoice/vendor/symfony/serializer/Normalizer/JsonSerializableNormalizer.php on line 22
( ! ) Error: Class 'Symfony\Component\Serializer\Normalizer\AbstractNormalizer' not found in /var/www/html/invoice/vendor/symfony/serializer/Normalizer/JsonSerializableNormalizer.php on line 22
Call Stack
#	Time	Memory	Function	Location
1	0.0001	398072	{main}( )	.../JsonSerializableNormalizer.php:0