Hello i play with this mod and my server crash with this error:

"Error while running event Construction_Drones::on_script_path_request_finished (ID 112)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
Construction_Drones/script/construction_drone.lua:1341: in function 'clear_target'
Construction_Drones/script/construction_drone.lua:2512: in function 'handler'
core/lualib/event_handler.lua:44: in function <core/lualib/event_handler.lua:42>
stack traceback:
[C]: in function 'index'
Construction_Drones/script/construction_drone.lua:1341: in function 'clear_target'
Construction_Drones/script/construction_drone.lua:2512: in function 'handler'
core/lualib/event_handler.lua:44: in function <core__/lualib/event_handler.lua:42>"

What version of Factorio and the mod are you playing?

I got this error too! iam on Factorio version 0.17.79 and on you mod version 0.3.3 it crashes my server every time someone try´s to join (probably someone died and went off the server while a drone was out)

I got a simmilar error but really close! iam on Factorio version 0.17.79 and on you mod version 0.3.3 it crashes my server every time someone try´s to join (probably someone died and went off the server while a drone was out)
Error while running event Construction_Drones::on_script_path_request_finished (ID 112)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
Construction_Drones/script/construction_drone.lua:1341: in function 'clear_target'
Construction_Drones/script/construction_drone.lua:2512: in function 'handler'
core/lualib/event_handler.lua:44: in function <core/lualib/event_handler.lua:42>
stack traceback:
[C]: in function 'index'
__Construction_Drones/script/construction_drone.lua:1341: in function 'clear_target'
Construction_Drones/script/construction_drone.lua:2512: in function 'handler'
core/lualib/event_handler.lua:44: in function <core/lualib/event_handler.lua:42>

sorry, i misscklicked