Mailpoet Error after updated to 5.6.0

After updating to 5.6.0 the following error message appears. I’m using WordPress 6.7.1.

MailPoet Fehler: MailPoet\Doctrine\WPDB\Exceptions\QueryException: Unknown collation: ‘utf8’ in /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/lib/Doctrine/WPDB/Connection.php:132
Stack trace: 0 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/lib/Doctrine/WPDB/Connection.php(123): MailPoet\Doctrine\WPDB\Connection->handleQueryError() 1 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/lib/Doctrine/WPDB/Connection.php(42): MailPoet\Doctrine\WPDB\Connection->runQuery(‘\n CREATE T…’) 2 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/dbal/src/Connection.php(473): MailPoet\Doctrine\WPDB\Connection->exec(‘\n CREATE T…’) 3 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/lib/Migrator/Store.php(87): MailPoetVendor\Doctrine\DBAL\Connection->executeStatement(‘\n CREATE T…’) 4 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/lib/Migrator/Migrator.php(37): MailPoet\Migrator\Store->ensureMigrationsTable() 5 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/lib/Config/Activator.php(78): MailPoet\Migrator\Migrator->run() 6 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/lib/Config/Activator.php(60): MailPoet\Config\Activator->processActivate() 7 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/lib/Config/Initializer.php(431): MailPoet\Config\Activator->activate() 8 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-includes/class-wp-hook.php(324): MailPoet\Config\Initializer->maybeRunActivator(”) 9 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(”, Array) 10 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-includes/plugin.php(517): WP_Hook->do_action(Array) 11 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-settings.php(704): do_action(‘init’) 12 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/wp-config.php(110): require_once(‘/var/www/vhosts…’) 13 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-load.php(55): require_once(‘/var/www/vhosts…’) 14 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-admin/admin.php(34): require_once(‘/var/www/vhosts…’) 15 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-admin/index.php(10): require_once(‘/var/www/vhosts…’) 16 {main}

Next MailPoetVendor\Doctrine\DBAL\Exception\DriverException: An exception occurred while executing a query: Unknown collation: ‘utf8’ in /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/dbal/src/Driver/API/MySQL/ExceptionConverter.php:96
Stack trace: 0 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/dbal/src/Connection.php(821): MailPoetVendor\Doctrine\DBAL\Driver\API\MySQL\ExceptionConverter->convert(Object(MailPoet\Doctrine\WPDB\Exceptions\QueryException), Object(MailPoetVendor\Doctrine\DBAL\Query)) 1 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/dbal/src/Connection.php(793): MailPoetVendor\Doctrine\DBAL\Connection->handleDriverException(Object(MailPoet\Doctrine\WPDB\Exceptions\QueryException), Object(MailPoetVendor\Doctrine\DBAL\Query)) 2 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/vendor-prefixed/doctrine/dbal/src/Connection.php(475): MailPoetVendor\Doctrine\DBAL\Connection->convertExceptionDuringQuery(Object(MailPoet\Doctrine\WPDB\Exceptions\QueryException), ‘\n CREATE T…’, Array, Array) 3 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/lib/Migrator/Store.php(87): MailPoetVendor\Doctrine\DBAL\Connection->executeStatement(‘\n CREATE T…’) 4 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/lib/Migrator/Migrator.php(37): MailPoet\Migrator\Store->ensureMigrationsTable() 5 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/lib/Config/Activator.php(78): MailPoet\Migrator\Migrator->run() 6 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/lib/Config/Activator.php(60): MailPoet\Config\Activator->processActivate() 7 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-content/plugins/mailpoet/lib/Config/Initializer.php(431): MailPoet\Config\Activator->activate() 8 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-includes/class-wp-hook.php(324): MailPoet\Config\Initializer->maybeRunActivator(”) 9 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(”, Array) 10 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-includes/plugin.php(517): WP_Hook->do_action(Array) 11 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-settings.php(704): do_action(‘init’) 12 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/wp-config.php(110): require_once(‘/var/www/vhosts…’) 13 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-load.php(55): require_once(‘/var/www/vhosts…’) 14 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-admin/admin.php(34): require_once(‘/var/www/vhosts…’) 15 /var/www/vhosts/k99676.web270.dogado.net/WWWROOT/333333/htdocs/wp-admin/index.php(10): require_once(‘/var/www/vhosts…’) 16 {main}