Which flavo(u)r(s) of WoW are you using?

MoP Classic

Which server realm(s) are you in?

EU

What build number of WoW?

5.5.0

Which version of ATT?

Latest release

What build number of ATT?

No response

What isn't working? What was supposed to happen?

you get this error in chat in your next pet battle after you release a pet and you don't have the rarity anymore:
"[11:11:37] ATT false ...erface/AddOns/AllTheThings/src/Classes/BattlePet.lua:270: attempt to concatenate local 'rarity' (a nil value)"

Screenshot

Steps to reproduce the behavior.

Have a pet, release it, start a new pet battle with the same kind of pet. Error pops

Are you experiencing any lua errors?

No response

Anything else?

No response