When a player enables APM189, the mod executes a four-stage decision loop every 2.5 seconds (configurable):
/apm reset_local
Even the best legacy mods have quirks. Here is how to fix them: autoplace mod 189 2021
Issue: "Autoplace fails to place entities over water/landfill." When a player enables APM189, the mod executes
Issue: "Mod 189 conflicts with Bob’s Adjustable Inserters." Issue: "Mod 189 conflicts with Bob’s Adjustable Inserters
Issue: "The game crashes when placing large blueprints (>1000 entities)."