Failed to get properties: No such interface ”

i try to start my new service :

/etc/systemd/system/myservice.service

[Unit] Description=My Desc... After=network.target  [Service] User=webXX Group=clientXX ExecStart=/var/www/xxx/xxx/xxx/golang-binay /var/www/xxx/xxx/xxx/.env Restart=always  [Install] WantedBy=multi-user.target 

I did systemctl daemon-reload and systemctl enable myservice then systemctl start myservice but after trying to start i have an error:

Failed to start myservice.service: Unknown unit: myservice.service See system logs and 'systemctl status myservice.service' for details. 

and if i get status, i have this message Failed to get properties: No such interface ''