Updated Rampant from last version on my current save (started the save just 2 days ago) got no errors.
Started a new game in sandbox to make a test, and get this error right after the beginning :
The mod Rampant (3.2.1) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event Rampant::on_tick (ID 0)
Rampant/libs/MapUtils.lua:326: attempt to index field 'chunkToTurrets' (a nil value)
stack traceback:
Rampant/libs/MapUtils.lua:326: in function 'removeChunkFromMap'
Rampant/libs/Processor.lua:585: in function 'processPendingChunks'
Rampant/control.lua:981: in function <Rampant/control.lua:971>
Mod list :
"base", "alien-biomes", "alien-biomes-hr-terrain", "angelsaddons-cab", "angelsaddons-mobility", "angelsaddons-newlocales", "angelsaddons-storage", "angelsbioprocessing", "angelsexploration", "angelsindustries", "angelsinfiniteores", "angelspetrochem", "angelsrefining", "angelssmelting", "bobassembly", "bobclasses", "bobelectronics", "bobenemies", "bobequipment", "bobgreenhouse", "bobinserters", "boblibrary", "boblocale", "boblogistics", "bobmining", "bobmodules", "bobores", "bobplates", "bobpower", "bobrevamp", "bobtech", "bobvehicleequipment", "bobwarfare", "cargo-ships", "cargo-ships-graphics", "DiscoScience", "factorio-world", "factoryplanner", "flib", "FNEI", "LoaderRedux", "LoaderRedux-BobLogistics", "LogisticTrainNetwork", "LtnManager", "LTN_Combinator_Modernized", "Rampant", "RecipeBook", "reskins-angels", "reskins-bobs", "reskins-compatibility", "reskins-library", "Wireless_Circuit_Network",
