Im trying to Buy a server

Game mode: Online
Problem: Misc
Region: [Gernany]
Free text:
I tried to Buy a Server dor ps4 nur i cant find at gportal i cant Klick in the button.
Is There any reason?
Ingame i See many private Servers.
But how i

fo the Moment gportal is sold out they put more space soon as possible

I am using GTX Gaming-

Game Servers