I don't know if anyone noticed this, but at the bottom left corner of the screen if you put a villager with one a part of the villager showing the rest will disappear. If you don't understand what i'm talking about maybe these pictures will help you understand. (Note: I took these pics at the same time.)

Does anyone understand?

Yes I've seen this happen before. I'm not really sure what causes it

Could one of the administrators have a say on this?