Execution of "satellite-maintain self-upgrade" fails with "Error getting repository data for rhel-7-server-satellite-maintenance-6.10.8-rpms" message in Red Hat Capsule 6.10

Issue

• While following section 3.3. Upgrading Capsule Servers to upgrade the capsule servers to 6.11, The execution of satellite-maintain self-upgrade fails with the following error.

  # satellite-maintain self-upgrade
  Running Enables the specified version's maintenance repository and,
  updates the satellite-maintain packages
  \================================================================================
  Update package(s) satellite-maintain, rubygem-foreman_maintain:       [FAIL]
  Failed executing yum --enablerepo=rhel-7-server-rpms --enablerepo=rhel-server-rhscl-7-rpms --enablerepo=rhel-7-server-satellite-maintenance-6.10.8-rpms -y --disableplugin=foreman-protector update satellite-maintain rubygem-foreman_maintain, exit status 1:
  Loaded plugins: enabled_repos_upload, langpacks, package_upload, product-id,
               : search-disabled-repos, subscription-manager
  
  
  Error getting repository data for rhel-7-server-satellite-maintenance-6.10.8-rpms, repository not found
  Uploading Enabled Repositories Report
  Loaded plugins: langpacks, product-id, subscription-manager
  \--------------------------------------------------------------------------------
  Scenario [Enables the specified version's maintenance repository and,
  updates the satellite-maintain packages] failed.
  
  The following steps ended up in failing state:
  
   [packages-update]