Warning: class_implements(): Class MailPoetVendor\Doctrine\DBAL\Driver\PDO\MySQL\Driver does not exist and could not be loaded in /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/dbal/lib/Doctrine/DBAL/DriverManager.php on line 106

Fatal error: Uncaught Error: Class "MailPoetVendor\Doctrine\DBAL\Driver\PDOMySql\Driver" not found in /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDO/MySQL/Driver.php:5 Stack trace: #0 /htdocs/wp-content/plugins/build-app-online/admin/vendor/composer/ClassLoader.php(571): include() #1 /htdocs/wp-content/plugins/build-app-online/admin/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile('/htdocs/wp-cont...') #2 [internal function]: Composer\Autoload\ClassLoader->loadClass('MailPoetVendor\\...') #3 /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/dbal/lib/Doctrine/DBAL/DriverManager.php(106): class_implements('MailPoetVendor\\...', true) #4 /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/dbal/lib/Doctrine/DBAL/DriverManager.php(89): MailPoetVendor\Doctrine\DBAL\DriverManager::createDriver(Array) #5 /htdocs/wp-content/plugins/mailpoet/lib/Doctrine/ConnectionFactory.php(64): MailPoetVendor\Doctrine\DBAL\DriverManager::getConnection(Array) #6 /htdocs/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(570): MailPoet\Doctrine\ConnectionFactory->createConnection() #7 /htdocs/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(2852): MailPoetGenerated\FreeCachedContainer->getConnectionService() #8 /htdocs/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(580): MailPoetGenerated\FreeCachedContainer->getEntityManagerFactoryService() #9 /htdocs/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(4214): MailPoetGenerated\FreeCachedContainer->getEntityManagerService() #10 /htdocs/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(4204): MailPoetGenerated\FreeCachedContainer->getSettingsRepositoryService() #11 /htdocs/wp-content/plugins/mailpoet/generated/FreeCachedContainer.php(2269): MailPoetGenerated\FreeCachedContainer->getSettingsControllerService() #12 /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Container.php(122): MailPoetGenerated\FreeCachedContainer->getInitializerService() #13 /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/symfony/dependency-injection/Container.php(110): MailPoetVendor\Symfony\Component\DependencyInjection\Container->make('MailPoet\\Config...', 1) #14 /htdocs/wp-content/plugins/mailpoet/lib/DI/ContainerWrapper.php(39): MailPoetVendor\Symfony\Component\DependencyInjection\Container->get('MailPoet\\Config...') #15 /htdocs/wp-content/plugins/mailpoet/mailpoet_initializer.php(89): MailPoet\DI\ContainerWrapper->get('MailPoet\\Config...') #16 /htdocs/wp-content/plugins/mailpoet/mailpoet.php(206): require_once('/htdocs/wp-cont...') #17 /htdocs/wp-settings.php(462): include_once('/htdocs/wp-cont...') #18 /htdocs/wp-config.php(96): require_once('/htdocs/wp-sett...') #19 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...') #20 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...') #21 /htdocs/index.php(17): require('/htdocs/wp-blog...') #22 {main} thrown in /htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDO/MySQL/Driver.php on line 5