Planetary Pioneers was originally created prior to 2.1. You probably are running experimental, and expecting the mod pack to work in that version, which it cannot (yet).

Fantastic detail and explanation! Thank you very much!

I'm working to update older mods for 2.1, and have found a number of instances of warnings in luacheck like:

mutating non-standard global variable data
accessing undefined variable data

In both cases, the relevant lines look like:


data.raw["cargo-pod"]["cargo-pod"].created_effect = {
...
data ...

This solved it for me!

I added:
local resource_autoplace = require("resource-autoplace")
data.raw.planet.nauvis.map_gen_settings.autoplace_controls["geothermal-vent"] = {}
data.raw.planet.nauvis.map_gen_settings.autoplace_settings.entity.settings["geothermal-vent"] = {}
To the top of the ...

To create my first mod, I've chosen to update/migrate an existing (older) mod from 1.1 to 2.0: https://mods.factorio.com/mod/geothermalpower-yalda

I've managed to update the code to "run", but the resources (geothermal vents) do not place during a new game map gen, and does not show in preview.

I ...