Landscape Painting Broken? Advice Please

Hey all, a bit new here. Looking for help with an issue in regards to Materials. I’m having a bit of trouble painting my landscape, and I assume it is because of my master material. This isn’t my first time creating a Landscape Material, but in this case, for the Auto Material, I followed this tutorial: [LAM Tutorial][1]

After completing the tutorial, the end result for the Master Material is a massive spaghetti monster. I tried to clean it up, and organize it as best I could on my end:

Everything works when using the LAM normally, but if I try painting any of the textures that aren’t used in the main material system, this is what

:

Does anyone know how I might be able to fix this?

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