Fatal error: Uncaught Error: Interface "Composer\Plugin\Capability\CommandProvider" not found in C:\Apache24\htdocs\cms_upgrade\vendor\drupal\core-composer-scaffold\CommandProvider.php:12
Stack trace:
#0 {main}
thrown in C:\Apache24\htdocs\cms_upgrade\vendor\drupal\core-composer-scaffold\CommandProvider.php on line 12