Fatal error: Uncaught ReflectionException: Property Eccube\Entity\ProductClass::$new_price does not exist in /home/miyabikaido/miyabikaido.com/public_html/vendor/doctrine/persistence/lib/Doctrine/Common/Persistence/Mapping/RuntimeReflectionService.php:63 Stack trace: #0 /home/miyabikaido/miyabikaido.com/public_html/vendor/doctrine/persistence/lib/Doctrine/Common/Persistence/Mapping/RuntimeReflectionService.php(63): ReflectionProperty->__construct('Eccube\\Entity\\P...', 'new_price') #1 /home/miyabikaido/miyabikaido.com/public_html/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php(964): Doctrine\Common\Persistence\Mapping\RuntimeReflectionService->getAccessibleProperty('Eccube\\Entity\\P...', 'new_price') #2 /home/miyabikaido/miyabikaido.com/public_html/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php(750): Doctrine\ORM\Mapping\ClassMetadataInfo->wakeupReflection(Object(Doctrine\Common\Persistence\Mapping\RuntimeReflectionService)) #3 /home/miyabikaido/miyabikaido.com/public_html/vendo in /home/miyabikaido/miyabikaido.com/public_html/vendor/doctrine/persistence/lib/Doctrine/Common/Persistence/Mapping/RuntimeReflectionService.php on line 63