Error while starting the service

[rphanikrishna]

systemctl start looking-glass.service lg-queue.service

"Job for lg-queue.service failed because of unavailable resources or another system error.
See "systemctl status lg-queue.service" and "journalctl -xe" for details.
Job for looking-glass.service failed because of unavailable resources or another system error.
See "systemctl status looking-glass.service" and "journalctl -xe" for details."

systemctl status lg-queue.service

• lg-queue.service - Privex Network Looking Glass - Queue Loader
  Loaded: loaded (/etc/systemd/system/lg-queue.service; enabled; vendor preset: en>
  Active: activating (auto-restart) (Result: resources) since Mon 2020-07-06 18:45>

systemctl status looking-glass.service

• looking-glass.service - Privex Network Looking Glass - Web App
  Loaded: loaded (/etc/systemd/system/looking-glass.service; enabled; vendor preset: enabled)
  Active: activating (auto-restart) (Result: resources) since Mon 2020-07-06 18:53:10 UTC; 22s ago

Jul 06 18:53:10 lg systemd[1]: Failed to start Privex Network Looking Glass - Web App.

journalctl -xe

Jul 06 18:54:41 lg systemd[1]: Stopped Privex Network Looking Glass - Web App.
-- Subject: A stop job for unit looking-glass.service has finished
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support

-- A stop job for unit looking-glass.service has finished.

-- The job identifier is 569 and the job result is done.
Jul 06 18:54:41 lg systemd[1]: looking-glass.service: Failed to load environment files: No such file or directory
Jul 06 18:54:41 lg systemd[1]: looking-glass.service: Failed to run 'start' task: No such file or directory
Jul 06 18:54:41 lg systemd[1]: looking-glass.service: Failed with result 'resources'.
-- Subject: Unit failed
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support

-- The unit looking-glass.service has entered the 'failed' state with result 'resources'.
Jul 06 18:54:41 lg systemd[1]: Failed to start Privex Network Looking Glass - Web App.
-- Subject: A start job for unit looking-glass.service has failed
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support

-- A start job for unit looking-glass.service has finished with a failure.