Steps to reproduce:
- Add a Campaign
- Click to view the Campaign > Click the Reports tab
- Click + to add a Custom Report
- Drag the Content field to the form builder
Since the Content field tracking Analytics are enabled by default, the error message shouldn't display when viewing the field's expanded panel.
The warning message disappears for all other fields when enabling their tracking actions. But the Content field still shows the message: "This metric will not work properly because content tracking is not enabled. It can be enabled in Control Panel > Portal Settings > Audience Targeting Analytics or in Site Administration > Site Settings > Audience Targeting Analytics."