CentOS 8: Modular dependency problems

Question

Fresh install of CentOS 8 and I'm getting the following error when doing pretty much any dnf command. For example on yum remove I get:

# yum remove
Modular dependency problems:

Problem 1: conflicting requests
  - nothing provides module(perl:5.26) needed by module perl-DBD-MySQL:4.046:8010020191114030811:073fa5fe-0.x86_64
 Problem 2: conflicting requests
  - nothing provides module(perl:5.26) needed by module perl-DBI:1.641:8010020191113222731:16b3ab4d-0.x86_64
 Problem 3: conflicting requests
  - nothing provides module(nginx) needed by module php:7.2:8010020191114034540:2430b045-0.x86_64
No packages marked for removal.

I'm not sure how this started, it might have been after I installed MariaDB. I've uninstalled it since, but the error persists. I need to resolve this error before moving on, so I dont mind remove any packages to do that.

I'm not really sure what it's referring to. I don't have perl-DBD perl-DBI or php installed on this system.

user423674 · Answer

As above but without the perl-DBD-MySQL:
yum module reset perl-DBD-SQLite perl-DBI php

Kal · Answer

I don't know what caused this on our server, but simply running the dnf/yum module enable command removed the modular dependency warning:
dnf module enable perl:5.26

This issue is also discussed here:

YUM (DNF) Possible Confusion CentOS 8
yum shows error "nothing provides module(perl:5.26) but perl-5.26 is available in the repository

Aditya K · Answer

In case anyone else seem this, here's how I solved it. It seems to be an issue after installing MariaDB from the CentOS repositories.

yum module reset perl-DBD-MySQL perl-DBD-SQLite perl-DBI  php

CentOS 8: Modular dependency problems

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