Hello every body,
i just tried to update my keycloak that is running on a VM. According to the keycloak docs i copied the configuration and thema folders from the old one into the new version (17) under keycloak-17.0.0 ! I tried to start it with the sh kc.sh start. But in the browser i get the following error:

We are sorry...

Page not found

could anybody please give some tipps , how can i update keycloak ?
i am new to this topic !

Thanks alot !