[Issue] Holes & Seams appearing in terrain after using Stamper

[designleviathan]

Hello again,

This is a new terrain issue for us - after creating a new scene and using the stamper it appears that certain terrains having missing 'patches' and there's a large square seam that surrounds several tiles. In some areas this drops to 0 height as pictured.

We are recreating a previous gaia setup piece by piece so at the moment the scene is simple with just a singular biome and single stamper.