Fatal error: Uncaught Error: Class "Drupal\Console\Core\Command\Command" not found in C:\Apache24\htdocs\cms_upgrade\vendor\drupal\console\src\Command\Debug\ThemeKeysCommand.php:18 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\drupal\console\src\Command\Debug\ThemeKeysCommand.php on line 18