Logged in to the dashboard in horizon and errors in apache logs.

Hi,

We are getting too many errors like below.

[Tue Jul 26 13:12:16.567060 2022] [wsgi:error] [pid 691148:tid 140018275346176] [remote 10.0.0.1:50359] warnings.warn(
[Tue Jul 26 13:12:16.567373 2022] [wsgi:error] [pid 691148:tid 140018275346176] [remote 10.0.0.1:50359] /usr/lib/python3/dist-packages/oslo_policy/policy.py:1549: DeprecationWarning: delete_security_group_rule deprecated without deprecated_reason or deprecated_since. This will be an error in a future release

This bug tracker is for errors with the documentation, use the following as a template and remove or add fields as you see fit. Convert [ ] into [x] to check boxes:

- [ ] This doc is inaccurate in this way: ______
- [ ] This is a doc addition request.
- [ ] I have a fix to the document that I can paste below including example: input and output.

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-----------------------------------
Release: 20.1.3.dev1 on 2019-08-09 14:46:22
SHA: 48b702adf75b7f19420df578d2bf9bf813099af5
Source: https://opendev.org/openstack/horizon/src/doc/source/user/log-in.rst
URL: https://docs.openstack.org/horizon/xena/user/log-in.html