단순 시스템 서비스 오류

다음과 같은 시스템 서비스가 있습니다.

$ sudo 고양이 /etc/systemd/system/my_service123.service

    [Unit]
    Description=my_service123
    After=syslog.target

    [Service]
    ExecStart=./my_app --config main_cfg.conf
    Restart=on-abort
    WorkingDirectory=/home/user1/my_service_workspace
    SyslogIdentifier=my_service123
    User=user1

    [Install]
    WantedBy=multi-user.target

내가 그것을 실행할 때 :

Failed to start my_service123.service: Unit my_service123.service has a bad unit file setting.
See system logs and 'systemctl status my_service123.service' for details.

하지만

$ sudo journalctl -u my_service123
No journal files were found.
-- No entries --

무슨 문제가 있나요?

$ sudo systemctl status my_service123
● my_service123.service - ton-node_01
     Loaded: bad-setting (Reason: Unit my_service123.service has a bad unit file setting.)
     Active: inactive (dead)