2.2.1 Copied Panel is Blank

What

If a copied dashboard panel is blank, recreate the variables that the panel expects in the destination dashboard, then save the dashboard and reload the panel.

When/Why

This most often happens when the source dashboard has variables that the panel depends on, but the destination dashboard does not. For example, if a panel relies on $host for the server address and the destination dashboard does not define $host, the panel can paste successfully but render blank.

How

Below you'll see the issue:

Fixing the issue requires recreating the variables in the destination dashboard. Grafana does not copy those variables with the panel, so recreate them manually. In any dashboard, open Dashboard Settings → Variables to review the variables:

  then 

Recreate the same variable names and values in your destination dashboard:

After saving the variables, reload the dashboard. The copied panel should now render with data: