There are 3 areas that prevent you from laying the stone walkway down (areas provided in the pics). So far these are the only areas I've noticed with the issue.
Area 1 - South of the water fountain/park.
Area 2 - Northeast of Pierre's going towards the community center.
Area 3 - Bridge going to...
In the Ginger Island house, on the bottom right room, top wall that when you add decorative items to, you are unable to remove them. They are permanently fixed, attached is a picture of the wall that hopefully gets looked into, ty.