Animation Component must be masked as Legacy - Animated made internal

Hi guys, I see this error has come up a lot on Unity forums however its all for prefab objects, where I can change the import settings of the rig.

I have produced this animation through the animation panel and put it on an object and get this error. But I don’t get any options to get the legacy of it as there isn’t a rig window?

Help would be appreciated!
Reis.

With your animation selected in the project pane, click on the dropdown in the top right corner of the inspector, change to