UnexpectedValueException: RecursiveDirectoryIterator::__construct(/var/www/html/sites/default): failed to open dir: Permission denied in RecursiveDirectoryIterator->__construct() (line 409 of /var/www/html/core/lib/Drupal/Core/Extension/ExtensionDiscovery.php).
RecursiveDirectoryIterator->__construct() (Line: 409) Drupal\Core\Extension\ExtensionDiscovery->scanDirectory() (Line: 205) Drupal\Core\Extension\ExtensionDiscovery->scan() (Line: 454) install_begin_request() (Line: 114) install_drupal() (Line: 44)
UnexpectedValueException: RecursiveDirectoryIterator::__construct(/var/www/html/sites/default): failed to open dir: Permission denied in RecursiveDirectoryIterator->__construct() (line 409 of /var/www/html/core/lib/Drupal/Core/Extension/ExtensionDiscovery.php).
RecursiveDirectoryIterator->__construct() (Line: 409) Drupal\Core\Extension\ExtensionDiscovery->scanDirectory() (Line: 205) Drupal\Core\Extension\ExtensionDiscovery->scan() (Line: 170) Drupal\Core\Config\InstallStorage->getAllFolders() (Line: 95) Drupal\Core\Config\InstallStorage->exists() (Line: 104) Drupal\Core\Config\FileStorage->read() (Line: 131) Drupal\Core\Config\FileStorage->readMultiple() (Line: 165) Drupal\Core\Config\ConfigFactory->doLoadMultiple() (Line: 104) Drupal\Core\Config\ConfigFactory->doGet() (Line: 89) Drupal\Core\Config\ConfigFactory->get() (Line: 106) Drupal\Core\Extension\ThemeHandler->listInfo() (Line: 64) _drupal_maintenance_theme() (Line: 753) drupal_maintenance_theme() (Line: 1028) install_display_output() (Line: 267) _drupal_log_error() (Line: 618) _drupal_exception_handler()