Error while running event Mining_Drones::on_tick (ID 0)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
[C]: in function 'index'
__Mining_Drones/script/mining_depot.lua:1088: in function 'request_path'
Mining_Drones/script/mining_depot.lua:1031: in function 'process_request_queue'
Mining_Drones/script/mining_depot.lua:1056: in function 'handler'
core/lualib/event_handler.lua:47: in function <core/lualib/event_handler.lua:45>"
