New Panel: Traffic Lights

Hello, I am having a problem with Traffic Lights plugin as it is not rendering.

My Grafana version is 7.1.0

The error I get:
error getting panel {Id:20 Type:snuids-trafficlights-panel Title:Windows Services Status GridPos:{H:10 W:24 X:0 Y:20}}: Error obtaining render: 500 Internal Server Error