Snapchat username doesn't update when searching for it

[MerlinvdW]

I think I didn't find the correct repository here, but please help me in which repository the following issue fits best.

Issue:

I have noticed that when user X changes his username, it is changed but there are often errors in the display when someone searches for user x with the new username.

if person Y searches user X with the new username then the old username is still displayed in the suggestions.