web ui not running ( ga webserver)

[AndreB52]

This is the error form the server manager logbook:
Can't read Supervisor data: Container addon_fe49a976_google_assistant_webserver is not running

logbook Google Assistant Webserver:

[Info] Install/Update service client_secrets file
[Info] Start WebUI for handling oauth2
Traceback (most recent call last):
File "/hassio_oauth.py", line 76, in
user_data = json.load(data)['installed']
KeyError: 'installed'

After clicking on web ui button I get the following message
page is not working
[ipadres] is not sending data
ERR_EMPTY_RESPONSE

System Health

version	core-2021.11.5
installation_type	Home Assistant Supervised
dev	false
hassio	true
docker	true
user	root
virtualenv	false
python_version	3.9.7
os_name	Linux
os_version	5.10.0-9-amd64
arch	x86_64
timezone	Europe/Amsterdam

Home Assistant Community Store

GitHub API	ok
Github API Calls Remaining	4969
Installed Version	1.17.2
Stage	running
Available Repositories	912
Installed Repositories	5

Home Assistant Cloud

logged_in	false
can_reach_cert_server	ok
can_reach_cloud_auth	ok
can_reach_cloud	ok

Home Assistant Supervisor

host_os	Debian GNU/Linux 11 (bullseye)
update_channel	stable
supervisor_version	supervisor-2021.10.8
docker_version	20.10.11
disk_total	108.0 GB
disk_used	9.8 GB
healthy	true
supported	true
supervisor_api	ok
version_api	ok
installed_addons	Home Assistant Google Drive Backup (0.105.2), Samba share (9.5.1), File editor (5.3.3), deCONZ (6.10.0), Google Assistant Webserver (0.0.4), Duck DNS (1.14.0), NGINX Home Assistant SSL proxy (3.0.2)

Lovelace

dashboards	1
resources	1
views	6
mode	storage