You're lacking of level 1 or 2 skills.

I know what that means, but I really don't get it.

According to this guide, I should have 61 points total in my 1st job skills. And I do.

All the second job skills should be maxed. And they are.

So WHY THE HELL can't I put points into my 3rd job skills?

 Spoiler

The last time I resolved this by putting ANOTHER point into Arrow Blow, but I don't want to screw my skills up again (if it even does).

What should I do?