Strange grid scan result [2D]

I’m following the guide and I can’t see what I’m doing wrong here, I’ve been playing with all the settings I can think of and nothing changes. You can see in the screen shots the collide layer collision boxes and the result as well as the settings I’m using.
What am I doing wrong? Any help would be appreciated.

Grid graph result

I am not sure why it doesn’t detect all obstacles (I assume they are placed in the CollideLayer). Maybe you could zip it up so I could have a look at it. I cannot see anything which looks wrong with the graph settings.

Hey, sorry for the late reply I’ve been busy with exams the past month or so. I think the problem lies with the fact that the colliders on my tilemap are all edge collider 2d. I tried putting a simple box collider 2d in the scene and it detected it fine, it also detects my characters when I set the layer to the one they’re on. When I changed the box collider 2d to an edge collider 2d however it doesn’t see it. I then tried a polygon collider 2d and it worked fine, so I guess I’ll just change my map to use those.
So it seems there’s possibly a bug with the edge colliders.