[root@ctdemo3 ~]# journalctl --no-pager -eu prometheus
-- Logs begin at Thu 2020-09-17 03:50:15 EDT, end at Thu 2020-09-17 09:20:01 EDT. --
Sep 17 03:50:55 ctdemo3 systemd[1]: Started Prometheus.
Sep 17 03:51:13 ctdemo3 systemd[1]: prometheus.service: main process exited, code=exited, status=2/INVALIDARGUMENT
Sep 17 03:51:13 ctdemo3 systemd[1]: Unit prometheus.service entered failed state.
Sep 17 03:51:13 ctdemo3 systemd[1]: prometheus.service failed.
Sep 17 08:11:56 ctdemo3 systemd[1]: Started Prometheus.
Sep 17 08:11:56 ctdemo3 systemd[1]: prometheus.service: main process exited, code=exited, status=2/INVALIDARGUMENT
Sep 17 08:11:56 ctdemo3 systemd[1]: Unit prometheus.service entered failed state.
Sep 17 08:11:56 ctdemo3 systemd[1]: prometheus.service failed.
Sep 17 08:30:37 ctdemo3 systemd[1]: Started Prometheus.
Sep 17 08:30:37 ctdemo3 systemd[1]: prometheus.service: main process exited, code=exited, status=2/INVALIDARGUMENT
Sep 17 08:30:37 ctdemo3 systemd[1]: Unit prometheus.service entered failed state.
Sep 17 08:30:37 ctdemo3 systemd[1]: prometheus.service failed.
Sep 17 09:09:11 ctdemo3 systemd[1]: Started Prometheus.
Sep 17 09:09:11 ctdemo3 systemd[1]: prometheus.service: main process exited, code=exited, status=2/INVALIDARGUMENT
Sep 17 09:09:11 ctdemo3 systemd[1]: Unit prometheus.service entered failed state.
Sep 17 09:09:11 ctdemo3 systemd[1]: prometheus.service failed.
I am using 64 bit verion