Manifest import or refresh fails with error HTTP status code: 404 in Red Hat Satellite 6.

Issue

• Attempt to import or refresh manifest completes with warning result and shows the following error:

  Error:
  Error message: the server returns an error
  HTTP status code: 404
  Response headers: {"Date"=>"Fri, 31 May 2024 07:48:24 GMT", "Server"=>"gunicorn", "Content-Type"=>"application/json", "Vary"=>"Accept,Cookie", "Allow"=>"GET, PUT, PATCH, DELETE, HEAD, OPTIONS", "X-Frame-Options"=>"DENY", "Content-Length"=>"23", "X-Content-Type-Options"=>"nosniff", "Referrer-Policy"=>"same-origin", "Cross-Origin-Opener-Policy"=>"same-origin", "Correlation-ID"=>"47e4fdd6-dc21-41a8-8e7d-66810aac8e4a", "Access-Control-Expose-Headers"=>"Correlation-ID", "Via"=>"1.1 satellite.example.com"}
  Response body: {"detail":"Not found."}