Description of problem:

I am unable to update the packages on my RHEL system. A 404 error related to modules.yaml.gz results from attempt to update the RHEL 8.2 system.

# yum update
Failed to set locale, defaulting to C.UTF-8
Updating Subscription Management repositories.
Red Hat Enterprise Linux 8 for x86_64 - AppStream (RPMs)                                 16 kB/s | 4.5 kB     00:00    
Red Hat Enterprise Linux 8 for x86_64 - AppStream (RPMs)                                6.8 MB/s |  24 MB     00:03    
Errors during downloading metadata for repository 'rhel-8-for-x86_64-appstream-rpms':
  - Status code: 404 for https://cdn.redhat.com/content/dist/rhel8/8/x86_64/appstream/os/repodata/bcbcf6a230894f28a0166e96f3286c89ea51bc6559e61ea3deeda6e13c967f08-modules.yaml.gz (IP: 2.16.30.83)
Error: Failed to download metadata for repo 'rhel-8-for-x86_64-appstream-rpms': Yum repo downloading error: Downloading error(s): repodata/bcbcf6a230894f28a0166e96f3286c89ea51bc6559e61ea3deeda6e13c967f08-modules.yaml.gz - Cannot download, all mirrors were already tried without success

Version-Release number of selected component (if applicable):

# cat /etc/os-release 
NAME="Red Hat Enterprise Linux"
VERSION="8.2 (Ootpa)"
ID="rhel"
ID_LIKE="fedora"
VERSION_ID="8.2"
PLATFORM_ID="platform:el8"
PRETTY_NAME="Red Hat Enterprise Linux 8.2 (Ootpa)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:redhat:enterprise_linux:8.2:GA"
HOME_URL="https://www.redhat.com/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"

REDHAT_BUGZILLA_PRODUCT="Red Hat Enterprise Linux 8"
REDHAT_BUGZILLA_PRODUCT_VERSION=8.2
REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux"
REDHAT_SUPPORT_PRODUCT_VERSION="8.2"

# rpm -qa | grep dnf
python3-libdnf-0.39.1-5.el8.x86_64
dnf-4.2.17-6.el8.noarch
dnf-plugin-spacewalk-2.8.5-11.module+el8.1.0+3455+3ddf2832.noarch
python3-dnf-plugins-core-4.0.12-3.el8.noarch
dnf-plugin-subscription-manager-1.26.16-1.el8.x86_64
dnf-plugins-core-4.0.12-3.el8.noarch
dnf-data-4.2.17-6.el8.noarch
libdnf-0.39.1-5.el8.x86_64
python3-dnf-plugin-spacewalk-2.8.5-11.module+el8.1.0+3455+3ddf2832.noarch
python3-dnf-4.2.17-6.el8.noarch

How reproducible:

Every time.

Steps to Reproduce:
1. yum update

Actual results:

Error: Failed to download metadata for repo 'rhel-8-for-x86_64-appstream-rpms': Yum repo downloading error: Downloading error(s): repodata/bcbcf6a230894f28a0166e96f3286c89ea51bc6559e61ea3deeda6e13c967f08-modules.yaml.gz - Cannot download, all mirrors were already tried without success

Expected results:

The system is updated.

Additional info: