installing trento Server ends up with 404 on web interface

[GER-Space]

trento:~ # install-trento-server -r
Please provide the path of the runner private key: /root/.ssh/id_rsa
Loading installer configuration
Installing trento-server on k3s...
Installing K3s...
Created symlink /etc/systemd/system/multi-user.target.wants/k3s.service → /etc/systemd/system/k3s.service.
Installing Helm...
W0330 13:07:44.496354 10801 warnings.go:70] policy/v1beta1 PodSecurityPolicy is deprecated in v1.21+, unavailable in v1.25+
W0330 13:07:44.497879 10801 warnings.go:70] policy/v1beta1 PodSecurityPolicy is deprecated in v1.21+, unavailable in v1.25+
W0330 13:07:44.510169 10801 warnings.go:70] policy/v1beta1 PodSecurityPolicy is deprecated in v1.21+, unavailable in v1.25+
W0330 13:07:44.511441 10801 warnings.go:70] policy/v1beta1 PodSecurityPolicy is deprecated in v1.21+, unavailable in v1.25+
W0330 13:07:44.512772 10801 warnings.go:70] policy/v1beta1 PodSecurityPolicy is deprecated in v1.21+, unavailable in v1.25+
W0330 13:07:44.514738 10801 warnings.go:70] policy/v1beta1 PodSecurityPolicy is deprecated in v1.21+, unavailable in v1.25+
Release "trento-server" has been upgraded. Happy Helming!
NAME: trento-server
LAST DEPLOYED: Wed Mar 30 13:07:43 2022
NAMESPACE: default
STATUS: deployed
REVISION: 2
NOTES:
Trento Server installed!
_ _ _ _ _ _ _ _
| || || | | || || |
\ . / \ . . /
\ , / \ . /
| . |_ _ _ _ _ | , |
| .| || || || || || | . |
| , | . . . . | .|
| . | . . . . , |. |
----| . |. , _______ . | , |---~___
---~ | | . /+++++++\ . | . | ~---
|. | . |+++++++| . | . | -_
__ | . | , |+++++++|. . |_ | -_
____--~ '--~~__ . |++++ __|----~ ~---, ___^-__
---~ ---__|,--' ~~----_____-' `----~
URL: http://localhost

After that I connect to localhost or the Server hostname and only get a 404 error.