Maybe a problem (incompatible) with the mod: HeroTurrents_redux?
https://mods.factorio.com/mod/HeroTurretRedux
Die Mod Experience for buildings (2.0.1) hat einen Fehler verursacht, der nicht behoben werden kann.
Bitte informiere den Autor der Mod über diesen Fehler.
Error while running event xp-for-buildings-tanvec-fork::on_nth_tick(30)
Invalid ItemID: expected LuaItemPrototype, LuaItemStack, LuaItem or string.
stack traceback:
[C]: in function 'insert'
xp-for-buildings-tanvec-fork/control.lua:334: in function 'Insert_inventory_contents'
xp-for-buildings-tanvec-fork/control.lua:437: in function 'Upgrade_entity'
xp-for-buildings-tanvec-fork/control.lua:466: in function 'replace_machines'
xp-for-buildings-tanvec-fork/control.lua:513: in function <xp-for-buildings-tanvec-fork/control.lua:495>
