Major bug - Cannot edit a UMG Editor widget variable name

Summary

When you have a name of a variable i did a int for testing and you press the tick you cannot then change the name using edit it always says the names taken

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

UI/Tools

Steps to Reproduce

Create a widget with a variable
Press the pencil to edit the name and press the tick you will see it says name is taken

Expected Result

It should work if the name isnt taken but it always says its taken

Observed Result

Its broken

Platform(s)

pc

FORT-1143317 has been created and its status is ‘Unconfirmed’. This is now in a queue to be reproduced and confirmed.