What exactly is a warning

I'm a paragraph. I'm connected to your collection through a dataset. Click Preview to see my content. To update me, go to the Data Manager.

I'm a paragraph. I'm connected to your collection through a dataset. Click Preview to see my content. To update me, go to the Data Manager.

I'm a paragraph. I'm connected to your collection through a dataset. Click Preview to see my content. To update me, go to the Data Manager.

I'm a paragraph. I'm connected to your collection through a dataset. Click Preview to see my content. To update me, go to the Data Manager.

What does the email do