Display sum of all values of a field to Grafana's Singlestat

Hello All,

I’m new to Grafana and InfluxDB.
I want to be able to sum all values of a field and display that to Singlestat

Here is what I have so far for the Metric tab.

image

The result that is being displayed is: N/A
What am I doing wrong?

Figured it out, The field I was trying to sum is a string.