Bear with us for a moment. We've got to do a little deep dive into Google Data Studio to give you permission to share.
From the menu bar select "Resource" and click "Manage added data sources"
For each data source (noting those sources might vary for your specific instance), click "Edit"
Click the "RECONNECT" button in the top right of the screen.
If a dialogue box appears containing changes then ignore it and select continue.
For each data source select "Data Credentials" and change to "Owner's Credentials" and select "Update"
Select "Done" and repeat this process for each data source.
Click "Close" to return to the dashboard