Importing manifest fails with error `Katello::Errors::CandlepinError: Owner has already imported from another subscription management application`

Issue

• Importing and new manifest in Red Hat Satellite 6 fails with the below traceback

Action:
Actions::Katello::Provider::ManifestImport
Input:
{"provider"=>{"id"=>2, "name"=>"Red Hat"},
 "organization"=>{"id"=>1, "name"=>"RedHat", "label"=>"Default_Organization"},
 "path"=>"/usr/share/foreman/tmp/import_6029a8f0c9f7248d20a9.zip",
 "force"=>nil,
 "remote_user"=>"admin",
 "locale"=>"en"}
Output:
{}
Exception:
Katello::Errors::CandlepinError: Owner has already imported from another subscription management application.