User Credential
Symptom
The error message is as follows:
globalcache.service: Failed to determine user credentials: No such process globalcache.service: Failed at step USER spawning /opt/gcache/bin/gcache_startup: No such process

Conclusion and Solution
- Check the service file.
vim /usr/lib/systemd/system/globalcache.service

- Check whether User and Group are globalcache. If not, change them to globalcache.
- If the service file is correct but still cannot be started, restart the systemctl service.
systemctl daemon-reexec
Parent topic: Daemon Abnormalities