Graphite+Grafana

i’am tryin to migrate my old metrics collected via centreonb nto my grafana server i tried to select Graphite as an output on centreon and to display them using Graphite datasource !! so datasource is updated successfully but while openning gdashboard i got that error :smiley:
Error

{“err”:{“data”:null,“status”:-1,“config”:{“method”:“POST”,“transformRequest”:[null],“transformResponse”:[null],“jsonpCallbackParam”:“callback”,“url”:“http://192.168.1.102/metrics/find",“params”:{},“data”:“query=carbon.agents.*.updateOperations”,“headers”:{“Content-Type”:“application/x-www-form-urlencoded”,“Accept”:"application/json, text/plain, /”},“inspect”:{“type”:“graphite”},“retry”:0},“statusText”:"",“xhrStatus”:“error”},“cancelled”:true}