Guard Background and Warfare Lore

[Arjon Smithson]

I am a newbie to both PF2 and HLO and trying to create my 2nd character.

Human Fighter with the guard background. It tells me "You’re trained in the Intimidation skill and the Legal Lore or Warfare Lore skill."

How do I get these added to my available skills list? On the skills tab, I have a validation message that says "Legal Lore or Warfare Lore must be added to the skills table to be trained by this option."

I am clicking everywhere, and going round in circles but I must be missing something obvious.