Fatal error: Uncaught Error: Interface "MailPoetVendor\Doctrine\ORM\Persisters\Entity\EntityPersister" not found in /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php:52 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/UnitOfWork.php(1699): Composer\Autoload\ClassLoader->loadClass('MailPoetVendor\\...') #3 /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/lib/Doctrine/ORM/EntityRepository.php(78): MailPoetVendor\Doctrine\ORM\UnitOfWork->getEntityPersister('MailPoet\\Entiti...') #4 /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/lib/Doctrine/ORM/EntityRepository.php(74): MailPoetVendor\Doctrine\ORM\EntityRepository->findBy(Array) #5 /htdocs/wp-content/plugins/mailpoet/lib/Doctrine/Repository.php(84): MailPoetVendor\Doctrine\ORM\EntityRepository->findAll() #6 /htdocs/wp-content/plugins/mailpoet/lib/Settings/SettingsController.php(147): MailPoet\Doctrine\Repository->findAll() #7 /htdocs/wp-content/plugins/mailpoet/lib/Settings/SettingsController.php(37): MailPoet\Settings\SettingsController->ensureLoaded() #8 /htdocs/wp-content/plugins/mailpoet/lib/Config/Hooks.php(140): MailPoet\Settings\SettingsController->get('subscribe', Array) #9 /htdocs/wp-content/plugins/mailpoet/lib/Config/Hooks.php(121): MailPoet\Config\Hooks->setupSubscriptionEvents() #10 /htdocs/wp-content/plugins/mailpoet/lib/Config/Initializer.php(342): MailPoet\Config\Hooks->init() #11 /htdocs/wp-includes/class-wp-hook.php(324): MailPoet\Config\Initializer->pluginsLoaded('') #12 /htdocs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #13 /htdocs/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #14 /htdocs/wp-settings.php(559): do_action('plugins_loaded') #15 /htdocs/wp-config.php(85): require_once('/htdocs/wp-sett...') #16 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...') #17 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...') #18 /htdocs/index.php(17): require('/htdocs/wp-blog...') #19 {main} thrown in /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php on line 52