Puppetserver service fails with 'LoadError: Puppet 6.14.0 requires Ruby 2.3.0 or greater found Ruby 1.9.3'

Issue

• Puppetserver service fails with following error.

#  journalctl -xfa -u puppetserver.service
-- Logs begin at Fri 2021-03-05 14:05:04 CET. --
Mar 09 16:59:56 satellite puppetserver[56020]: at clojure.core$partial$fn__4759.invoke(core.clj:2515)
Mar 09 16:59:56 satellite puppetserver[56020]: at puppetlabs.services.jruby_pool_manager.impl.jruby_agents$eval31129$send_agent__31134$fn__31135$agent_fn__31136.invoke(jruby_agents.clj:42)
Mar 09 16:59:56 satellite puppetserver[56020]: at clojure.core$binding_conveyor_fn$fn__4676.invoke(core.clj:1941)
Mar 09 16:59:56 satellite systemd[1]: puppetserver.service: control process exited, code=exited status=1
Mar 09 16:59:56 satellite systemd[1]: Failed to start puppetserver Service.
-- Subject: Unit puppetserver.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit puppetserver.service has failed.
--
-- The result is failed.
Mar 09 16:59:56 satellite systemd[1]: Unit puppetserver.service entered failed state.
Mar 09 16:59:56 satellite systemd[1]: puppetserver.service failed.
Mar 09 16:59:57 satellite systemd[1]: puppetserver.service holdoff time over, scheduling restart.
Mar 09 16:59:57 satellite systemd[1]: Stopped puppetserver Service.
-- Subject: Unit puppetserver.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit puppetserver.service has finished shutting down.
Mar 09 16:59:57 satellite systemd[1]: Starting puppetserver Service...
-- Subject: Unit puppetserver.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit puppetserver.service has begun starting up.

• And following error from logs :

 LoadError: Puppet 6.14.0 requires Ruby 2.3.0 or greater, found Ruby 1.9.3