Additional uncaught exception thrown while handling exception.

Original

Drupal\Core\Database\DatabaseAccessDeniedException: SQLSTATE[HY000] [1045] Access denied for user 'drupaluser'@'localhost' (using password: YES) in Drupal\Core\Database\Driver\mysql\Connection::open() (line 423 of /var/www/xsitesx/sac-aredn/drupal/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php).

Drupal\Core\Database\Driver\mysql\Connection::open() (Line: 371)
Drupal\Core\Database\Database::openConnection() (Line: 166)
Drupal\Core\Database\Database::getConnection()
call_user_func_array() (Line: 79)
Drupal\Component\DependencyInjection\PhpArrayContainer->createService() (Line: 173)
Drupal\Component\DependencyInjection\Container->get() (Line: 265)
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: 896)
Drupal\Core\DrupalKernel->initializeContainer() (Line: 477)
Drupal\Core\DrupalKernel->boot() (Line: 70)

Additional

Error: Class "Drupal\Component\Render\FormattableMarkup" not found in _drupal_log_error() (line 239 of /var/www/xsitesx/sac-aredn/drupal/core/includes/errors.inc).

_drupal_log_error() (Line: 85)
_drupal_error_handler_real() (Line: 600)
_drupal_error_handler() (Line: 61)
include('/var/www/xsitesx/sac-aredn/drupal/core/lib/Drupal/Component/Render/FormattableMarkup.php') (Line: 444)
Composer\Autoload\includeFile() (Line: 322)
Composer\Autoload\ClassLoader->loadClass() (Line: 239)
_drupal_log_error() (Line: 618)
_drupal_exception_handler()