Having a problem with my server when it comes to the ps4, saying the server needs a update!

Plex Media Server Desktops & Laptops
4

Well… let’s call your current PMS version „well aged“ :wink:
The most recent beta is v1.14, the public releases is v1.13.9. … v1.4.2 is almost 2 years old (released in Feb 2017).

You might want to download the latest version from https://plex.tv/downloads