Unless it was a script error.
That said what type of planet is HIP 7158 A 2 D
Have the INRA bases that housed Thargoid Tech and Thargoids chosen due to being easier to create an environment for them.
Easier to start too cold and warm up, that try to cool?
Rocky World, Atmos 99% CO2, 1%SO2, 171K, 0.1g, 0.02atmospheres, no volcanism.