Fatal error: Uncaught MailPoetVendor\Doctrine\ORM\Mapping\MappingException: No identifier/primary key specified for Entity "MailPoet\Entities\StatisticsOpenEntity". Every Entity must have an identifier/primary key. in /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/lib/Doctrine/ORM/Mapping/MappingException.php:30 Stack trace: #0 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php(326): MailPoetVendor\Doctrine\ORM\Mapping\MappingException::identifierRequired() #1 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php(178): MailPoetVendor\Doctrine\ORM\Mapping\ClassMetadataInfo->validateIdentifier() #2 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php(170): MailPoetVendor\Doctrine\ORM\Mapping\ClassMetadataFactory->validateRuntimeMetadata() #3 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php(180): MailPoetVendor\Doctrine\ORM\Mapping\ClassMetadataFactory->doLoadMetadata() #4 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php(108): MailPoetVendor\Doctrine\Persistence\Mapping\AbstractClassMetadataFactory->loadMetadata() #5 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/lib/Doctrine/TablePrefixMetadataFactory.php(44): MailPoetVendor\Doctrine\Persistence\Mapping\AbstractClassMetadataFactory->getMetadataFor() #6 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/lib/Doctrine/ORM/EntityManager.php(143): MailPoet\Doctrine\TablePrefixMetadataFactory->getMetadataFor() #7 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/lib/Doctrine/Repository.php(36): MailPoetVendor\Doctrine\ORM\EntityManager->getClassMetadata() #8 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/lib/Statistics/StatisticsOpensRepository.php(28): MailPoet\Doctrine\Repository->__construct() #9 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(5033): MailPoet\Statistics\StatisticsOpensRepository->__construct() #10 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(941): MailPoetGenerated\FreeCachedContainer->getStatisticsOpensRepositoryService() #11 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(5657): MailPoetGenerated\FreeCachedContainer->getSettingsService() #12 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(2626): MailPoetGenerated\FreeCachedContainer->getDotcomLicenseProvisionerService() #13 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(2655): MailPoetGenerated\FreeCachedContainer->getHooks2Service() #14 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Container.php(122): MailPoetGenerated\FreeCachedContainer->getInitializerService() #15 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Container.php(110): MailPoetVendor\Symfony\Component\DependencyInjection\Container->make() #16 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/lib/DI/ContainerWrapper.php(39): MailPoetVendor\Symfony\Component\DependencyInjection\Container->get() #17 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/mailpoet_initializer.php(88): MailPoet\DI\ContainerWrapper->get() #18 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/mailpoet.php(194): require_once('...') #19 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-settings.php(522): include_once('...') #20 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-config.php(102): require_once('...') #21 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-load.php(50): require_once('...') #22 /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-blog-header.php(13): require_once('...') #23 /vhosts/zuzkanaturalbeauty.co.uk/public_html/index.php(17): require('...') #24 {main} thrown in /vhosts/zuzkanaturalbeauty.co.uk/public_html/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/lib/Doctrine/ORM/Mapping/MappingException.php on line 30