Hi,
I am very new to sketch up and I am drawing a 2d floor plan for a course I’m doing. I created the first floor with no issues now I’m doing the upper floor, i can’t get into any of my groups to edit.( like my walls, floor anything) I’m not sure what iv done wrong. Your help would be appreciated. I have to do both floors side by side on A3.
Well, in order for somebody to help, it might be wise to upload you file here… very difficult to identify what’s wrong otherwise.
Has your ESP failed today? 
yeah, the old crystal ball is playing up…