Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires drupal/core 11.x-dev -> satisfiable by drupal/core[11.x-dev]. - drupal/core 11.x-dev requires drupal/core-composer-scaffold 11.x-dev -> found drupal/core-composer-scaffold[11.x-dev] but it does not match your minimum-stability.