Weird console error

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sorry, i jumped the gun on placing blame of this plugin. seems like an issue with the december update and restore upon death. inventories are restored normally, but upon waking, players have the first slot of their worn equips replaced with a party hat, deleting whichever item was in that slot, die again with a hat already on, lost the second item slot to party hat too, etc.

actually seems like something else is happening. when some players kill npcs, this spits out in console

Failed to call hook 'CmdShowQuality' on plugin 'QualityCrafting v2.0.4' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.QualityCrafting+QualityItemManager.GetClothingStatResistance (BasePlayer basePlayer, Rust.DamageType dt, System.Boolean baseValues) [0x00034] in <d7ae0b075e1e42d89adb3af15172bd4c>:0

at Oxide.Plugins.QualityCrafting.CreateModifiersOverlay (Oxide.Game.Rust.Cui.CuiElementContainer container, BasePlayer basePlayer) [0x0010c] in <d7ae0b075e1e42d89adb3af15172bd4c>:0

at Oxide.Plugins.QualityCrafting.ShowOverlayByType (BasePlayer basePlayer, Oxide.Plugins.QualityCrafting+OverlayType overlayType, System.String id) [0x0000d] in <d7ae0b075e1e42d89adb3af15172bd4c>:0

at Oxide.Plugins.QualityCrafting.ShowQualityOverlay (BasePlayer basePlayer) [0x00000] in <d7ae0b075e1e42d89adb3af15172bd4c>:0

at Oxide.Plugins.QualityCrafting.ToggleQualityOverlay (BasePlayer basePlayer) [0x00018] in <d7ae0b075e1e42d89adb3af15172bd4c>:0

at Oxide.Plugins.QualityCrafting.CmdShowQuality (Oxide.Core.Libraries.Covalence.IPlayer player, System.String command, System.String[] args) [0x00033] in <d7ae0b075e1e42d89adb3af15172bd4c>:0

at Oxide.Plugins.QualityCrafting.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x018a5] in <d7ae0b075e1e42d89adb3af15172bd4c>:0

at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <09575a60985045248bcb43b20faeeb99>:0

at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <bae5f1223fce49c493b01571c99dce02>:0

at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <bae5f1223fce49c493b01571c99dce02>:0