I’m not sure what I’m doing wrong here. I have a very simple metrics scrape in prometheus to read relative humidity and temperature, which is then graphed in Grafana. No matter what I do with the alerts for any graph in my install I get the error “tsdb.HandleRequest() error invalid value type.” I’m on Grafana 4.6.0, fresh install yesterday from website stable binary builds, on Fedora 24, and Prometheus 1.8.1 on from stable channel binaries downloaded yesterday.
This is my graph config:
This is the Alert config with the error: