The mod Mining Drones (1.1.10) caused a non-recoverable error.
Please report this error to the mod author.

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>

got it too
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>"
214.905 Info ServerMultiplayerManager.cpp:814: updateTick(14281293) changing state from(InGame) to(Failed)