Text Effect PSDT/PSB not working correctly - Photoshop

Hello Guys,

I bought from Adobe Stock a text effect : this one / click here

And when I open it in Photoshop this is what i get :

There is a smart object layer "YOUR TEXT" to modify the text who is a PSB.

Then I change the text for mine and save :

And when i come back to the file I got this and I don't how to solve that :

Maybe you guys have an Idea what I did wrong ? Because it bother to not understand why it doesn't work , I try lot of things but cannot figure it out.

Thanks a lot in advance,

Azah