Fatal error: Uncaught Error: Interface "MailPoetVendor\Doctrine\Common\Collections\Collection" not found in /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/collections/lib/Doctrine/Common/Collections/ArrayCollection.php:27
Stack trace:
#0 /htdocs/wp-content/plugins/all-in-one-seo-pack/vendor/composer/ClassLoader.php(576): include()
#1 /htdocs/wp-content/plugins/all-in-one-seo-pack/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/htdocs/wp-cont...')
#2 /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/lib/Doctrine/ORM/QueryBuilder.php(55): Composer\Autoload\ClassLoader->loadClass('MailPoetVendor\\...')
#3 /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/lib/Doctrine/ORM/EntityManager.php(171): MailPoetVendor\Doctrine\ORM\QueryBuilder->__construct(Object(MailPoetVendor\Doctrine\ORM\EntityManager))
#4 /htdocs/wp-content/plugins/mailpoet/lib/Listing/ListingRepository.php(19): MailPoetVendor\Doctrine\ORM\EntityManager->createQueryBuilder()
#5 /htdocs/wp-content/plugins/mailpoet/lib/Subscribers/SubscriberListingRepository.php(55): MailPoet\Listing\ListingRepository->__construct(Object(MailPoetVendor\Doctrine\ORM\EntityManager))
#6 /htdocs/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(5228): MailPoet\Subscribers\SubscriberListingRepository->__construct(Object(MailPoetVendor\Doctrine\ORM\EntityManager), Object(MailPoet\Segments\DynamicSegments\FilterHandler), Object(MailPoet\Segments\SegmentSubscribersRepository), Object(MailPoet\Subscribers\SubscribersCountsController))
#7 /htdocs/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(1321): MailPoetGenerated\FreeCachedContainer->getSubscriberListingRepositoryService()
#8 /htdocs/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(1311): MailPoetGenerated\FreeCachedContainer->getReporterService()
#9 /htdocs/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(916): MailPoetGenerated\FreeCachedContainer->getAnalytics2Service()
#10 /htdocs/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(5592): MailPoetGenerated\FreeCachedContainer->getServicesService()
#11 /htdocs/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(2612): MailPoetGenerated\FreeCachedContainer->getDotcomLicenseProvisionerService()
#12 /htdocs/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(2640): MailPoetGenerated\FreeCachedContainer->getHooks2Service()
#13 /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Container.php(122): MailPoetGenerated\FreeCachedContainer->getInitializerService()
#14 /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Container.php(110): MailPoetVendor\Symfony\Component\DependencyInjection\Container->make('MailPoet\\Config...', 1)
#15 /htdocs/wp-content/plugins/mailpoet/lib/DI/ContainerWrapper.php(39): MailPoetVendor\Symfony\Component\DependencyInjection\Container->get('MailPoet\\Config...')
#16 /htdocs/wp-content/plugins/mailpoet/mailpoet_initializer.php(89): MailPoet\DI\ContainerWrapper->get('MailPoet\\Config...')
#17 /htdocs/wp-content/plugins/mailpoet/mailpoet.php(194): require_once('/htdocs/wp-cont...')
#18 /htdocs/wp-settings.php(526): include_once('/htdocs/wp-cont...')
#19 /htdocs/wp-config.php(85): require_once('/htdocs/wp-sett...')
#20 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...')
#21 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...')
#22 /htdocs/index.php(17): require('/htdocs/wp-blog...')
#23 {main}
thrown in /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/collections/lib/Doctrine/Common/Collections/ArrayCollection.php on line 27