Get this error in Console when trying to view an inventory using Vanish or InventoryViewer Plugin works no problem when this plugin is unloaded

Failed to call hook 'ViewInvCmd' on plugin 'InventoryViewer v4.1.2' (NullReferenceException: Object reference not set to an instance of an object.)
  at BaseNetworkable.Save (BaseNetworkable+SaveInfo info) [0x0003d] in <94a28555973e45308d5d031d5e6bc112>:0

  at BaseEntity.Save (BaseNetworkable+SaveInfo info) [0x00000] in <94a28555973e45308d5d031d5e6bc112>:0

  at BaseCombatEntity.Save (BaseNetworkable+SaveInfo info) [0x00000] in <94a28555973e45308d5d031d5e6bc112>:0

  at BaseCorpse.Save (BaseNetworkable+SaveInfo info) [0x00000] in <94a28555973e45308d5d031d5e6bc112>:0

  at LootableCorpse.Save (BaseNetworkable+SaveInfo info) [0x00000] in <94a28555973e45308d5d031d5e6bc112>:0

  at PlayerCorpse.Save (BaseNetworkable+SaveInfo info) [0x00000] in <94a28555973e45308d5d031d5e6bc112>:0

  at BaseNetworkable.ToStream (System.IO.Stream stream, BaseNetworkable+SaveInfo saveInfo) [0x00010] in <94a28555973e45308d5d031d5e6bc112>:0

  at BaseNetworkable.ToStreamForNetwork (System.IO.Stream stream, BaseNetworkable+SaveInfo saveInfo) [0x0004d] in <94a28555973e45308d5d031d5e6bc112>:0

  at BaseNetworkable.SendAsSnapshot (Network.Connection connection, System.Boolean justCreated) [0x0005d] in <94a28555973e45308d5d031d5e6bc112>:0

  at Oxide.Plugins.InventoryViewer.ViewInventory (BasePlayer player, BasePlayer targetplayer) [0x0016f] in <541f7c97f9224acd93855b85d3d383ea>:0

  at Oxide.Plugins.InventoryViewer.ViewInvCmd (Oxide.Core.Libraries.Covalence.IPlayer iplayer, System.String command, System.String[] args) [0x00143] in <541f7c97f9224acd93855b85d3d383ea>:0

  at Oxide.Plugins.InventoryViewer.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x001ea] in <541f7c97f9224acd93855b85d3d383ea>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <795304323ac74a298b8ed190a1dfa739>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in <beb2b64691c64e2b95b99491bd85442c>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <beb2b64691c64e2b95b99491bd85442c>:0

should note it also kicks me from the game and sometimes crash the player of the inventory im trying to view