hello, thanks for your job)

Failed to call hook 'OnGrowableGathered' on plugin 'AdvancedGather v2.0.4' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.AdvancedGather+BioFuelConfig.GiveItem (BasePlayer player, System.Int32 amount) [0x00013] in <d35a1e236541415db1ad873dde4335c6>:0 
  at Oxide.Plugins.AdvancedGather.BioFuelDropChanceRoll (BasePlayer player, System.String shortname) [0x001e6] in <d35a1e236541415db1ad873dde4335c6>:0 
  at Oxide.Plugins.AdvancedGather.OnGrowableGathered (GrowableEntity growable, Item item, BasePlayer player) [0x0011f] in <d35a1e236541415db1ad873dde4335c6>:0 
  at Oxide.Plugins.AdvancedGather.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000fe] in <d35a1e236541415db1ad873dde4335c6>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <23ba99f131254889867c71f0bd137b1d>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <157a94ee66ab4a7991faecd1eb84be3b>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <157a94ee66ab4a7991faecd1eb84be3b>:0