Old game GUI got deleted, what do I do?

Hello! I am currently working on a roleplay game with other people, and I just found an old version of the game, which has fully working GUI. After I saw that, obviously I wanted to get the GUI back, but it didn’t work.

I tried downloading the studio file, but when I opened it, I just saw the current studio that we have right now. Does anyone have any ideas? The GUI is extremely good and I don’t want to lose it forever once we update the game.

Try this workaround here: