Displacement Troubles?

[ViviGayming]

Hey all, I'm digging my hands into displacements and... the textures aren't behaving. This feels like a simple fix, but I'm stuck.

When I look at the map in Hammer, it looks like this:

But when I run the map, it looks like this:

Is this a lighting issue? Did I mess up my displacements somewhere? I tried looking through the compile log, but I didn't see anything that seemed broken, but I'm not sure what looks normal and what doesn't. Interloper's checker doesn't find any errors, though. Any help would be appreciated!

 

[ViviGayming]

Update: I FIXED IT!!

I have no idea what happened, or how it got here, but I discovered an infodecal below the floor. I don't know what this does, but deleting it fixed my problems! Hoping that this might help anyone who sees this and has the same problem.

Spoiler: Properties of the Infodecal