Plan generator

Hi

I have a building that is rectangular and it runs across my screen.

when I use the plan generator to do a colour plan section, my building scenes now runs vertical on my screen so the building has been rotated 90 degrees.

when I click the top down view – my build run across the screen which is correct. but plan generator 90 rotates the scene 90 degree.

Why how?????

So something to do with my axis? how to fix?

Luke