group by "Entity ID" in views

In view under the muliple values settings it says:

If checked, multiple values for this field will be shown in the same row. If not checked, each value in this field will create a new row. If using group by, please make sure to group by “Entity ID” for this setting to have any effect.

Does anyone know where to find this setting?

Drupal version: 


Source: https://www.drupal.org/taxonomy/term/22/feed