If the platform does not identify which sources should be added to the report you might see "Sample data" next to the source and there would be a pop-up showing that the report is using sample data. In this case, you will need to connect the source to the report in order to include the data that you need. Please see the steps on how to remove this pop-up.

Step 1. Click on the source field which says "Sample data":

Step 2. Click on "Change" next to the integration that is using sample data:

Step 3. Select the source that you would like to use for your report:

Please see the video below on how to switch from sample data to a source: