Failed to start Session Push Notification Server

[TechGoku]

I tried to run push notification as the service as well as using nginx
but i am facing issue while running it
@jagerman @RyanRory Can you guys give me some suggestion regrading this issue

error logs below :
● spns-notifier@apns.service - Session Push Notification Server -- apns notifier
Loaded: loaded (/etc/systemd/system/spns-notifier@.service; enabled; vendor preset: enabled)
Active: activating (auto-restart) (Result: exit-code) since Thu 2024-02-29 20:19:56 GMT; 1s ago
Process: 721318 ExecStart=/usr/bin/python3 -mspns.notifiers.apns (code=exited, status=217/USER)
Main PID: 721318 (code=exited, status=217/USER)

● spns-notifier@firebase.service - Session Push Notification Server -- firebase notifier
Loaded: loaded (/etc/systemd/system/spns-notifier@.service; enabled; vendor preset: enabled)
Active: activating (auto-restart) (Result: exit-code) since Thu 2024-02-29 20:24:57 GMT; 1s ago
Process: 722023 ExecStart=/usr/bin/python3 -mspns.notifiers.firebase (code=exited, status=217/USER)
Main PID: 722023 (code=exited, status=217/USER)

Feb 29 20:24:57 techgoku systemd[1]: spns-notifier@firebase.service: Main process exited, code=exited, status=217/USER
Feb 29 20:24:57 techgoku systemd[1]: spns-notifier@firebase.service: Failed with result 'exit-code'.
Feb 29 20:24:57 techgoku systemd[1]: Failed to start Session Push Notification Server -- firebase notifier.