Fatal error: Uncaught Error: Class 'Composer\Command\BaseCommand' not found in C:\SistemasPHP\observatorio4\vendor\drupal\core-composer-scaffold\ComposerScaffoldCommand.php:17 Stack trace: #0 {main} thrown in C:\SistemasPHP\observatorio4\vendor\drupal\core-composer-scaffold\ComposerScaffoldCommand.php on line 17