Fatal error: Uncaught Error: Class "Drupal\Core\Installer\InstallerKernel" not found in /var/web/drupal/10/web/core/includes/errors.inc:323
Stack trace:
#0 /var/web/drupal/10/web/core/includes/errors.inc(123): _drupal_get_error_level()
#1 /var/web/drupal/10/web/core/includes/bootstrap.inc(204): error_displayable()
#2 /var/web/drupal/10/web/core/includes/bootstrap.inc(188): _drupal_exception_handler_additional()
#3 [internal function]: _drupal_exception_handler()
#4 {main}
thrown in /var/web/drupal/10/web/core/includes/errors.inc on line 323