POE 2. One of ways didn't available after done map.

I finished the map (green on pic). After that two out of three available ways we were unlocked (blue on pic), but one is blocked (red).
It s common map and I don't understand why it is blocked.
Img on G-disk: https://drive.google.com/file/d/1B6uHxOppE2tpcmJdUd6rhHMYgPmaT0iw/view?usp=sharing
UPD: Oh not right thread, dont know how to delete, remake in poe2 forum -_-