carash when put Mandrake in chess

Hello,

(windows 10 64 bits / xbox controller.)

When i put a mandrake in a chess, the game crash ; log :

C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/prefabs/mandrake.lua:70 in (field) onputininventoryfn (Lua) <70-70>
   inst = 291839 - mandrake(LIMBO) (valid:false)
C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/components/inventoryitem.lua:115 in (method) OnPutInInventory (Lua) <103-122>
   self =
      isnew = false
      nobounce = false
      onpickupfn = function - @C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/prefabs/mandrake.lua:69
      owner = 121540 - treasurechest (valid:true)
      onwater = false
      cangoincontainer = true
      ondropfn = function - @C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/prefabs/mandrake.lua:71
      inst = 291839 - mandrake(LIMBO) (valid:false)
      keepondeath = false
      trappable = true
      canbepickedup 
scripts/mainfunctions.lua(864,1) LUA ERROR stack traceback:
        C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/mainfunctions.lua(864,1)	
scripts/mainfunctions.lua(865,1) ...pps/common/dont_starve/data/scripts/entityscript.lua:1319: trying to get tiletype for a nil position!
LUA ERROR stack traceback:
    =[C]:-1 in (global) assert (C) <-1--1>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/entityscript.lua:1319 in (method) GetCurrentTileType (Lua) <1304-1325>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/components/inventoryitem.lua:513 in (method) OnHitGround (Lua) <508-540>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/stategraphs/SGMandrake.lua:61 in (field) onenter (Lua) <59-65>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/stategraph.lua:431 in (method) GoToState (Lua) <390-441>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/prefabs/mandrake.lua:70 in (field) onputininventoryfn (Lua) <70-70>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/components/inventoryitem.lua:115 in (method) OnPutInInventory (Lua) <103-122>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/components/container.lua:194 in (method) GiveItem (Lua) <146-215>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/widgets/invslot.lua:72 in (method) Click (Lua) <55-120>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/widgets/inventorybar.lua:530 in (method) OnControl (Lua) <515-555>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/widgets/widget.lua:112 in (method) OnControl (Lua) <106-116>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/widgets/widget.lua:112 in (method) OnControl (Lua) <106-116>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/widgets/widget.lua:112 in (method) OnControl (Lua) <106-116>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/widgets/widget.lua:112 in (method) OnControl (Lua) <106-116>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/widgets/widget.lua:112 in (field) OnControl (Lua) <106-116>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/screens/playerhud.lua:414 in (method) OnControl (Lua) <413-468>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/frontend.lua:236 in (method) OnControl (Lua) <223-274>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/input.lua:163 in (method) OnControl (Lua) <159-167>
    C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/input.lua:363 in () ? (Lua) <362-364>
	
scripts/frontend.lua(738,1) SCRIPT ERROR! Showing error screen	
Force aborting...

- Others things (i don't know if it's bugs) :

- gorilla and firefly disappers after the first year ;

- cloth is not possible to craft (you can get bamboo in the shop) ;

- charcoal and wood are not accepted by the smelter ;

Thak you for your great and fun work

Anthony