Power cable blueprints will disapear when you are building walls on top of them

[Darpy]

I was building my greenhouse, and I planned ahead and built the powercables after I placed walls, when my pawns placed down the materials the blueprints disapeared.

[DariusWolfe]

Can confirm. I've also seen this.

[pompstomp]

I've seen this as well, but not consistently.

[DariusWolfe]

It's been a consistent problem for me; With and without Replace Stuff.