Permissions

After plugin installed, getting:
2020-09-04 20:44:58.254 Error: (ZWave Battery) Error calling 'http://localhost:8080/json.htm?type=command&param=zwavegetbatterylevels&idx=5'


Opening in Chrome URL getting: 401 Unauthorized.

Running Domoticz on Windows 7.
Have any suggestions. 

Thanx.