Hi, I did it exactly as you explained it. However, I get an error. Here is the mistake. Can you help me with my problem
● jts3servermod.service
Loaded: error (Reason: Invalid argument)
Active: inactive (dead)
Jun 06 13:33:47 VeLutIon systemd[1]: [/lib/systemd/system/jts3servermod.service:1] Unknown section 'Unit]Description=JTS3ServermodAfter=network.target[Service'. Ignoring.
Jun 06 13:33:47 VeLutIon systemd[1]: jts3servermod.service: Service lacks both ExecStart= and ExecStop= setting. Refusing.
Jun 06 13:33:49 VeLutIon systemd[1]: [/lib/systemd/system/jts3servermod.service:1] Unknown section 'Unit]Description=JTS3ServermodAfter=network.target[Service'. Ignoring.
Jun 06 13:33:49 VeLutIon systemd[1]: jts3servermod.service: Service lacks both ExecStart= and ExecStop= setting. Refusing.
Jun 06 13:36:37 VeLutIon systemd[1]: [/lib/systemd/system/jts3servermod.service:1] Unknown section 'Unit]Description=JTS3ServermodAfter=network.target[Service'. Ignoring.
Jun 06 13:36:37 VeLutIon systemd[1]: jts3servermod.service: Service lacks both ExecStart= and ExecStop= setting. Refusing.
Jun 06 13:36:47 VeLutIon systemd[1]: [/lib/systemd/system/jts3servermod.service:1] Unknown section 'Unit]Description=JTS3ServermodAfter=network.target[Service'. Ignoring.
Jun 06 13:36:47 VeLutIon systemd[1]: jts3servermod.service: Service lacks both ExecStart= and ExecStop= setting. Refusing.
Jun 06 13:36:53 VeLutIon systemd[1]: [/lib/systemd/system/jts3servermod.service:1] Unknown section 'Unit]Description=JTS3ServermodAfter=network.target[Service'. Ignoring.
Jun 06 13:36:53 VeLutIon systemd[1]: jts3servermod.service: Service lacks both ExecStart= and ExecStop= setting. Refusing.