Error updating options: invalid parameter "match[]": 1:8: parse error: unexpected character: '.'

I downloaded your Service - MySQL Overview.json at 
https://github.com/matejzero/grafana-dashboards/blob/master/mysql/Service%20-%20MySQL%20Overview.json
but removed any ref to graphite and replaced it with Prometheus
When I go to dashboard I get

> Error updating options: invalid parameter "match[]": 1:8: parse error: unexpected character: '.'

Thanks for your help