Occasionally i get a fatal crash caused by this mod with the info window displaying crash reason as:
"Error while running event
Overmind::on_entity_died (ID 4)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
▌Overmind/control.lua:131: in function
'on_tumor_death'
▌Overmind/control.lua:197: in function
<Overmind/control.lua:194>