While updating client systems from CDS, it fails with "PYCURL ERROR 22 - "The requested URL returned error: 401 Authorization Required""

Issue

• While updating client systems from CDS, it fails with error:

https://cds01.example.com/pulp/repos///content/dist/rhel/rhui/server/6/6Server/x86_64/os/repodata/repomd.xml
[Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 401 Authorization Required"
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: rhui-rhel-6-server-rhui-rpms. Please verify its path and try again

# yum repolist 
Loaded plugins: product-id, rhui-lb, security
https://cds01.example.com/pulp/repos///content/dist/rhel/rhui/server/6/6Server/x86_64/os/repodata/repomd.xml
: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 401"
Trying other mirror.
https://cds01.example.com/pulp/repos///content/dist/rhel/rhui/server/6/6Server/x86_64/os/repodata/repomd.xml
: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 401"
Trying other mirror.
repo id                                                    repo name                                                                        status
rhui-rhel-6-server-rhui-rpms                               Red Hat Enterprise Linux 6 Server from RHUI (RPMs)                               0
repolist: 0