its not working

it keeps saying not close for the pipe link ?

Failed to call hook 'GiveQuarryCommand' on plugin 'QuarryComputer v1.5.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.QuarryComputer.GetPlayerQuarryLimit (Oxide.Core.Libraries.Covalence.IPlayer player) [0x00000] in :0 
  at Oxide.Plugins.QuarryComputer.ExceedsQuarryLimit (BasePlayer player) [0x00011] in :0 
  at Oxide.Plugins.QuarryComputer.GiveQuarryCommand (Oxide.Core.Libraries.Covalence.IPlayer iPlayer, System.String command, System.String[] args) [0x00058] in :0 
  at Oxide.Plugins.QuarryComputer.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x015ec] in :0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in :0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in :0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in :0 
[SkinAndBones] A chicken.corpse[661900379] was injected with a Skull
[SkinAndBones] A boar.corpse[661907216] was injected with a Skull

    

Changed Status from Pending to Fixed

Changed Fixed In to 1.5.2