yum: Problem: package alt-python27-cllib conflicts with rhn-client-tools < 1:2.8.16-14

Issue

This error occurs during yum/dnf update:

# dnf update
...
Error: 
Problem: package alt-python27-cllib-3.3.9-1.el8.cloudlinux.x86_64 from cloudlinux-x86_64-server-8 conflicts with rhn-client-tools < 1:2.8.16-14.module_el8.9.0+6736+b7331f2e.cloudlinux.17 provided by rhn-client-tools-1:2.8.16-14.module_el8.7.0+6623+3ddf2832.cloudlinux.15.x86_64 from @System

Environment

• yum/dnf
• CloudLinux 8.9

Solution

Right now the issue is resolved, so you just need to clear the dnf cache:

dnf clean all
dnf makecache
dnf update cloudlinux-release
dnf update

Or:

yum clean all
yum makecache
yum update cloudlinux-release
yum update

If there are any duplicates, please manage first: https://cloudlinux.zendesk.com/hc/en-us/articles/115005427605-How-do-I-fix-duplicated-packages-issue

Cause

The issue was caused by the incorrect packages' dependencies.

Useful Links

https://cloudlinux.statuspage.io/incidents/q8qbjsvl6gn2