The Dashboard does not show up

Hi,

I created a Piechart and am trying to save it as Dashboard. I am able to create the dashboard. However when i view the dashboard. The View screen gives me following error. Please suggest what can be the issue

Error in 'PivotProcessor': Unable to fetch datamodelreport REST endpoint '/servicesNS/admin/search/datamodel/pivot/Tutorial' from 'https://127.0.0.1:8089'