The client is trying to start REST interface localy on client's machine on socket 127.0.0.1:7778.
In case this port is already used, service fails with error log message:
2018-08-31 | 10:15:22.460Z | E | RestfulService | bind or listen failed! Details: Net Exception, endpoint: 127.0.0.1:7778
To locate OS client logs, please consult FAQ collecting LucidLink client logs
Close LucidLink OS client
Change LucidLink daemon port - Edit %userprofile%/.lucid/app.json on Windows or Linux/macOS ~/.lucid/app.json and change "restEndpoint": "127.0.0.1:7779" *
Restart LucidLink OS client
* begin by changing 7778 to 7779 or retry with 7780 and so on until the LucidLink client works within your environment