Start request repeated too quickly

Hello,

Could you plese help me with the below problem?

root@kula:/# systemctl status syncthing@john.service
● syncthing@john.service - Syncthing - Open Source Continuous File Synchronization
   Loaded: loaded (/etc/systemd/system/syncthing@.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Sat 2021-05-01 20:58:25 CEST; 1s ago
     Docs: man:syncthing(1)
  Process: 4284 ExecStart=/usr/bin/syncthing serve --no-browser --no-restart --logflags=0 (code=exited, status=1/FAILURE)
 Main PID: 4284 (code=exited, status=1/FAILURE)

maj 01 20:58:24 kula systemd[1]: syncthing@john.service: Main process exited, code=exited, status=1/FAILURE
maj 01 20:58:24 kula systemd[1]: syncthing@john.service: Failed with result 'exit-code'.
maj 01 20:58:25 kula systemd[1]: syncthing@john.service: Service RestartSec=1s expired, scheduling restart.
maj 01 20:58:25 kula systemd[1]: syncthing@john.service: Scheduled restart job, restart counter is at 4.
maj 01 20:58:25 kula systemd[1]: Stopped Syncthing - Open Source Continuous File Synchronization.
maj 01 20:58:25 kula systemd[1]: syncthing@john.service: Start request repeated too quickly.
maj 01 20:58:25 kula systemd[1]: syncthing@john.service: Failed with result 'exit-code'.
maj 01 20:58:25 kula systemd[1]: Failed to start Syncthing - Open Source Continuous File Synchronization.

Suggest you actually check the logs via journalctl