Seahub.sh start (code=exited, status=1/FAILURE)

I am trying to install it as a service.
‘/opt/seafile/seafile-server-latest/seahub.sh start’ works, but ‘systemctl start seahub’:

Job for seahub.service failed because the control process exited with error code.
See “systemctl status seahub.service” and “journalctl -xe” for details.

systemctl status seahub.service

Mar 08 08:17:28 powerspec systemd[1]: Starting Seafile hub…
Mar 08 08:17:28 powerspec seahub.sh[31760]: LC_ALL is not set in ENV, set to en_
Mar 08 08:17:28 powerspec seahub.sh[31760]: Starting seahub at port 8000 …
Mar 08 08:17:33 powerspec seahub.sh[31760]: Error:Seahub failed to start.
Mar 08 08:17:33 powerspec seahub.sh[31760]: Please try to run "./seahub.sh start
Mar 08 08:17:33 powerspec systemd[1]: seahub.service: Control process exited, co
Mar 08 08:17:33 powerspec systemd[1]: seahub.service: Failed with result 'exit-c
Mar 08 08:17:33 powerspec systemd[1]: Failed to start Seafile hub.

No error in seafile.log or seahub.log.

Thank you.

[Unit]
Description=Seafile

add mysql.service or postgresql.service depending on your database to the line below

After=network.target

[Service]
Type=forking
ExecStart=/opt/seafile/seafile-server-latest/seafile.sh start
ExecStop=/opt/seafile/seafile-server-latest/seafile.sh stop
LimitNOFILE=infinity
User=root
Group=root

[Install]
WantedBy=multi-user.target

[Unit]
Description=Seafile hub
After=network.target seafile.service

[Service]
Type=forking

change start to start-fastcgi if you want to run fastcgi

ExecStart=/opt/seafile/seafile-server-latest/seahub.sh start
ExecStop=/opt/seafile/seafile-server-latest/seahub.sh stop
User=root
Group=root

[Install]
WantedBy=multi-user.target