Execution of the satellite-installer command fails with error Response: 422 Unprocessable Content in Red Hat Satellite 6

Issue

• The satellite-installer command execution is repeatedly failing, and the following errors are reported.

  2025-07-18 10:28:04 [NOTICE] [root] Loading installer configuration. This will take some time. 
  2025-07-18 10:28:06 [NOTICE] [root] Running installer with log based terminal output at level NOTICE. 
  2025-07-18 10:28:06 [NOTICE] [root] Use -l to set the terminal output log level to ERROR, WARN, NOTICE, INFO, or DEBUG. See --full-help for definitions. 
  2025-07-18 10:28:07 [NOTICE] [checks] System checks passed Package versions are locked. Continuing with unlock. 
  2025-07-18 10:28:12 [NOTICE] [configure] Starting system configuration. 
  2025-07-18 10:28:18 [NOTICE] [configure] 250 configuration steps out of 1678 steps complete. 
  2025-07-18 10:28:19 [NOTICE] [configure] 500 configuration steps out of 1678 steps complete. 
  2025-07-18 10:28:21 [NOTICE] [configure] 750 configuration steps out of 1681 steps complete. 
  2025-07-18 10:28:21 [NOTICE] [configure] 1000 configuration steps out of 1686 steps complete. 
  2025-07-18 10:28:22 [NOTICE] [configure] 1250 configuration steps out of 1688 steps complete. 
  2025-07-18 10:28:55 [NOTICE] [configure] 1500 configuration steps out of 1688 steps complete. 
  2025-07-18 10:29:01 [ERROR ] [configure] Error making POST request to Foreman at https://satellite-fqdn/api/v2/hosts/facts: Response: 422 Unprocessable Content 
  2025-07-18 10:29:01 [ERROR ] [configure] /Stage[main]/Foreman::Register/Foreman_host[foreman-satellite-fqdn]/ensure: change from 'absent' to 'present' failed: Error making POST request to Foreman at https://satellite-fqdn/api/v2/hosts/facts: Response: 422 Unprocessable Content 
  2025-07-18 10:29:03 [NOTICE] [configure] System configuration has finished.
  Error 1: Puppet Foreman_host resource 'foreman-satellite-fqdn' failed. 
  ..
  ..
  The full log is at /var/log/foreman-installer/satellite.log Package versions are being locked.