Fatal error: Uncaught Error: Interface "Drupal\Composer\Plugin\Scaffold\PostPackageEventListenerInterface" not found in /home/aipnbsfo/public_html/vendor/drupal/core-composer-scaffold/AllowedPackages.php:18 Stack trace: #0 {main} thrown in /home/aipnbsfo/public_html/vendor/drupal/core-composer-scaffold/AllowedPackages.php on line 18