Shuffles by Pinterest - invite code failed - sorry we reached the limit… - why is it happening?

so when i'm trying to enter invitation code in shuffles app it's just says in white code failed sorry we have reached the limit for this in white code and that's it so yeah probably what it means is just that your code already has been have been used as i understand it's only possible to share invitation code from shuffle staff with five people and it goes really fast so probably it has been already used uh so that's what it is maybe there is some bug on on there on their app um because there are so many people who try to sign up right now uh but yep there you have it um that's just an error i got