Question about displacements (not entierely noob one), pics inside

So I have been working on displacements in this one area of a map I have been working on, and this one section is causing trouble. I am including two pictures because seeing it will be much more beneficial than me trying to explain it, though I will sum it up anyhow.

I have a sloped face displacement along side a parallel to origin displacement acting as a low wall, and they will not sew. I was wondering if it was possible to make them do so.





Hope the pictures and description make the problem clear. And yes the corners are aligned correctly. Thanks.

edit: wow spelled entirely wrong

pics work now

Penguin said:

Use to vertex tool to line one side up with the floor and the other with the wall.

Click to expand...

when i try to do that it says my solid is invalid and deletes the displacement...

edit: oh god i just recreate the displacement

im so stupid, thanks