PDOException: SQLSTATE[HY000] [2002] Connection refused in Drupal\Component\DependencyInjection\PhpArrayContainer->createService() (line 79 of /var/www/html/dahoweb/langnhadat.com/web/core/lib/Drupal/Component/DependencyInjection/PhpArrayContainer.php).
Drupal\Component\DependencyInjection\PhpArrayContainer->createService() (Line: 173) Drupal\Component\DependencyInjection\Container->get() (Line: 212) Drupal\Component\DependencyInjection\PhpArrayContainer->resolveServicesAndParameters() (Line: 62) Drupal\Component\DependencyInjection\PhpArrayContainer->createService() (Line: 173) Drupal\Component\DependencyInjection\Container->get() (Line: 544) Drupal\Core\DrupalKernel->getCachedContainerDefinition() (Line: 910) Drupal\Core\DrupalKernel->initializeContainer() (Line: 477) Drupal\Core\DrupalKernel->boot() (Line: 707) Drupal\Core\DrupalKernel->handle() (Line: 19)
Error: Class "Drupal\Component\Render\FormattableMarkup" not found in _drupal_log_error() (line 251 of /var/www/html/dahoweb/langnhadat.com/web/core/includes/errors.inc).
_drupal_log_error() (Line: 74) _drupal_error_handler_real() (Line: 600) _drupal_error_handler() (Line: 61) include('/var/www/html/dahoweb/langnhadat.com/web/core/lib/Drupal/Component/Render/FormattableMarkup.php') (Line: 478) Composer\Autoload\includeFile() (Line: 346) Composer\Autoload\ClassLoader->loadClass() (Line: 251) _drupal_log_error() (Line: 618) _drupal_exception_handler()