( ! ) Deprecated: Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer::__construct(): Implicitly marking parameter $classMetadataFactory as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\serializer\Normalizer\AbstractObjectNormalizer.php on line 108

( ! ) Deprecated: Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer::__construct(): Implicitly marking parameter $nameConverter as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\serializer\Normalizer\AbstractObjectNormalizer.php on line 108

( ! ) Deprecated: Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer::__construct(): Implicitly marking parameter $propertyTypeExtractor as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\serializer\Normalizer\AbstractObjectNormalizer.php on line 108

( ! ) Deprecated: Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer::__construct(): Implicitly marking parameter $classDiscriminatorResolver as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\serializer\Normalizer\AbstractObjectNormalizer.php on line 108

( ! ) Deprecated: Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer::__construct(): Implicitly marking parameter $objectClassResolver as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\serializer\Normalizer\AbstractObjectNormalizer.php on line 108

( ! ) Deprecated: Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer::instantiateObject(): Implicitly marking parameter $format as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\serializer\Normalizer\AbstractObjectNormalizer.php on line 215

( ! ) Deprecated: Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer::getAttributes(): Optional parameter $format declared before required parameter $context is implicitly treated as a required parameter in E:\Program_Files\wamp64\www\print\vendor\symfony\serializer\Normalizer\AbstractObjectNormalizer.php on line 242

( ! ) Fatal error: Uncaught Error: Class "Symfony\Component\Serializer\Normalizer\AbstractNormalizer" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\serializer\Normalizer\AbstractObjectNormalizer.php on line 34
( ! ) Error: Class "Symfony\Component\Serializer\Normalizer\AbstractNormalizer" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\serializer\Normalizer\AbstractObjectNormalizer.php on line 34
Call Stack
#	Time	Memory	Function	Location
1	0.0239	476688	{main}( )	...\AbstractObjectNormalizer.php:0