It is not incorrect, it seems. Whenever I'm having doubts, I google the phrase in question, having enclosed it in quotes and added site:uk or site:us after a space.
I typed: "advised me that I get"
My search returned over 4 million results.
I did that with
aint, and got over eight million hits. That doesn't prove anything about the acceptability of
aint.
We advise somebody against doing something.
We advise somebody to to something.
We advise that you do something.
We advise doing something.
We advise you on something.
We advise (you) on what to do.
We advise you whether (or not) to do something.
We advise you (= inform you) that flight AB123 has been cancelled.
But we do not normally advise someone that they do something, in my opinion.