Going through graph obstacle

General Grid graph
1
  1. Hello everybody. It seems to me, I missing something easy. But I’m currently stuck. I’ve been placed graph with some virtual walls, but pathfinder builds path throgh them ((

image
image1090×1072 177 KB

It looks like this. What I’m doing wrong?
I’m using basic AIPath script to move units

2

It looks like you are using the SimpleSmooth modifier with too much smoothing.

3

Yes. switching off simple smoothing solves the problem, but I can’t found right values, for smoothing which works well. What the best way to work with smoothing?