Cant logout 1.8 - Drupal 10

Problem/Motivation

I cant logout. $this->keycloak->getKeycloakSignoutResponse($rp_signout); is calling and it seems like its working, but it does not actually remove the session. When i do it with $this->keycloak->getKeycloakSignOutEndpoint(); everything works fine, but then the user needs to click 4 more times and i dont want that.

futher investigation:
i removed the return $this->redirect(''); in KeycloakController.php now it trows an error on the redirected url. "Undefined array key "function"". on /var/www/html/web/core/lib/Drupal/Core/Utility/Error.php

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes