Add protoss as new enemy force. It features a new planet Aiur with new resources and new offensive mechanics. They can optionally spawn on Fulgora.
Mods introducing new content into the game.
New places to build more factories.
New ways to deal with enemies, be it attack or defense.
Changes to enemies or entirely new enemies to deal with.
Map generation and terrain modification.
New Ores and resources as well as machines.
Furnaces, assembling machines, production chains.
Error while running setup for space-location prototype "aiur" (planet): Unknown decorative name: sand-dune-decal-beige
It loads fine on my end in the latest releases.
Which releases are you using? What if you load the game only with protoss and alien biomes mod?
Maybe other mod removed sand-dune-decal-beige?