Did you ever make it on to Sargatanas? I hope you found someone who can invite you to the LS and FC!

There was a also an issue over the last few days or week or so since PS4 release where Sargatanas was closed for new character creation ("full"). If that's still the case, you can just wait a day or two and it should be over.

I will be on later today (around 2 or 3PM EST/8PM GMT) if you haven't made your way into Fat Chocobos yet, look for me (Lumos Lightheart) ^^