Fatal error: Uncaught Error: Class "Composer\Command\BaseCommand" not found in /home/yrdsb11w3creativ/public_html/yrdsb-board-v1.0.0-alpha/vendor/drupal/core-composer-scaffold/ComposerScaffoldCommand.php:17 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/yrdsb-board-v1.0.0-alpha/vendor/drupal/core-composer-scaffold/ComposerScaffoldCommand.php on line 17