Error while configuring the config sync ip

Hello All,

I'm finding the below error while configuring the config-sync IP. could you please help me to identify the cause of the issue?

root@(LAB-LB02)(cfg-sync Standalone)(Active)(/Common)(tmos)# modify /cm device LAB-LB02.X.COM configsync-ip 172.31.0.3

01020036:3: The requested system device (/Common/LAB-LB02.X.COM) was not found.

Regards,

Thiyagu