RHEL 8 registration using bootstrap script fails with error /bin/bash: line 173: /usr/bin/python: No such file or directory

Issue

• Client registration fails with following error.

UPDATING RHN_REGISTER/UP2DATE CONFIGURATION FILES
-------------------------------------------------
* downloading necessary files
  client_config_update.py...
  client-config-overrides.txt...
* running the update scripts
  . up2date config file
/bin/bash: line 173: /usr/bin/python: No such file or directory

* attempting to install corporate public CA cert

REGISTRATION
------------
* registering
An error has occurred:
rhn-plugin: Error communicating with server. The message was:
Name or service not known
See /var/log/up2date for more information

*** Error: Registering the system failed.