decoupled_toolbox_group.event_subscriber cannot be found

Problem/Motivation

- Hello, after activating `openapi_decoupled_toolbox` submodule I got error:

In RegisterListenersPass.php line 126:

  Class "Drupal\decoupled_toolbox_group\EventSubscriber\DecoupledToolboxGroup
  Subscriber" used for service "decoupled_toolbox_group.event_subscriber" can
  not be found.

After all I cannot access to site or run drush command even cr

Thanks

Steps to reproduce

- D11
- PHP 8.3

Thanks