I have checked both the region access tab and the parcel access tab, will you be more specific please? I don't see on either menu where to put an avatar age in to prevent 5 minute old accounts from griefing people.
https://gyazo.com/812c501ebd696a2cf9e1bb12b6a622e0
https://gyazo.com/800824e1c47c1fef26c96a9b8f18f67c