yum or rpm fails with errors can't create transaction lock on / (Is a directory) or <rpm> was supposed to be removed but is not!

Issue

• When installing any package using yum or rpm, the following errors appear:

# rpm -ivh /katello-ca-consumer-latest.noarch.rpm
error: can't create transaction lock on / (Is a directory)

Or

# yum remove wget -y
Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
Resolving Dependencies
--> Running transaction check
---> Package wget.x86_64 0:1.14-18.el7_6.1 will be erased
--> Finished Dependency Resolution
rhel-7-server-extras-rpms/x86_64                                                                                     | 3.4 kB  00:00:00
rhel-7-server-optional-rpms/7Server/x86_64                                                                           | 1.9 kB  00:00:00
rhel-7-server-rpms/7Server/x86_64                                                                                    | 2.2 kB  00:00:00

Dependencies Resolved

============================================================================================================================================
 Package                     Arch                          Version                                   Repository                        Size
============================================================================================================================================
Removing:
 wget                        x86_64                        1.14-18.el7_6.1                           installed                        2.0 M

Transaction Summary
============================================================================================================================================
Remove  1 Package

Installed size: 2.0 M
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
wget-1.14-18.el7_6.1.x86_64 was supposed to be removed but is not!
  Verifying  : wget-1.14-18.el7_6.1.x86_64                                                                                              1/1

Failed:
  wget.x86_64 0:1.14-18.el7_6.1

Complete!