Hi, I am trying to create a dashboard to show the availability of a service. To get this, im picking the calls per min and errors per min metric. But since there are no errors, errors per min graph is showing as no data. But when I use it in an expression: ({calls} - ({errors} + 0)) * 100 / ({calls} + 1), though the calls is not 0, it still shows the graph as unavailable.  Is there a way to set a static value when there is no data? Since in this case, the availability should be 100%, since there are no errors and we have calls.  ... View more