Can't create groups in UI

[Andy20v]

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Steps to reproduce

1.Click menu in top right
2. Click Users
3. Click '+ Add Group'

Expected behaviour

A window to allow a user to create a group

Actual behaviour

Nothing happens. Unable to create groups

Server configuration

Operating system:
Ubuntu 20.04

Web server:
GNIX
Database:
MariaDB mysql 10.3.29
PHP version:
7.4.3
Nextcloud version: (see Nextcloud admin page)
22.0.0
Updated from an older Nextcloud/ownCloud or fresh install:
Fresh Install
Where did you install Nextcloud from:
Ubuntu wget directly from NextCloud
Signing status:

Signing status

Login as admin user into your Nextcloud and access 
http://example.com/index.php/settings/integrity/failed 
paste the results here.
No errors have been found.
</details>

**List of activated apps:**
<details>
<summary>App list</summary>

Group Folders

If you have access to your command line run e.g.:
sudo -u www-data php occ app:list
from within your Nextcloud installation folder

Nextcloud configuration:

Config report

If you have access to your command line run e.g.:
sudo -u www-data php occ config:list system
from within your Nextcloud installation folder

or 

Insert your config.php content here. 
Make sure to remove all sensitive content such as passwords. (e.g. database password, passwordsalt, secret, smtp password, …)

Are you using external storage, if yes which one: local/smb/sftp/...
No
Are you using encryption: yes/no
No
Are you using an external user-backend, if yes which one: LDAP/ActiveDirectory/Webdav/...
No

With access to your command line run e.g.:
sudo -u www-data php occ ldap:show-config
from within your Nextcloud installation folder

Without access to your command line download the data/owncloud.db to your local
computer or access your SQL server remotely and run the select query:
SELECT * FROM oc_appconfig WHERE appid = 'user_ldap';

Eventually replace sensitive data as the name/IP-address of your LDAP server or groups.

</details>

### Client configuration
**Browser:**
Chrome/Firefox/IE/Edge
**Operating system:**
Win10, Server 2019
### Logs

<!--- Reports without logs might be closed as unqualified reports! -->

#### Web server error log
<details>
<summary>Web server error log</summary>

Insert your webserver log here

</details>

#### Nextcloud log (data/nextcloud.log)
<details>
<summary>Nextcloud log</summary>

Insert your Nextcloud log here

</details>

#### Browser log
<details>
<summary>Browser log</summary>

Insert your browser log here, this could for example include:

a) The javascript console log
b) The network log
c) ...

</details>

[szaimen]

Hi there, this is an issue with NC22.0.0 and will be fixed with NC22.0.1 in #27878