Originally posted by Kruxed:

Sometimes a rock nearby will cause things like that

Would removing the ground, to find this rock, and destroy it. Fix this problem?

Originally posted by Mharr:

There's a delimiter mod https://www.nexusmods.com/valheim/mods/359 or you'll need to lower the entire thing, or patch the hole with stonework.

How do you patch a hole with stonework?
I dont quite have access to the stone cutter yet, but i could try and get it if that helps solve this problem.