im getting spammed this when pressing E after patch

Failed to call hook 'OnUseNPC' on plugin 'GUIShop v1.5.0' (KeyNotFoundException: The given key was not present in the dictionary.)

  at System.Collections.Generic.Dictionary`2[TKey,TValue].get_Item (TKey key) [0x0001e] in <e1a80661d61443feb3dbdaac88eeb776>:0

  at Oxide.Plugins.GUIShop.ShowShop (BasePlayer player, System.String shopid, System.Int32 from, System.Boolean fullPaint, System.Boolean refreshMoney) [0x0008f] in <4acaa5f875cc4e579e500b38f1799abe>:0

  at Oxide.Plugins.GUIShop.OnUseNPC (BasePlayer npc, BasePlayer player) [0x00017] in <4acaa5f875cc4e579e500b38f1799abe>:0

  at Oxide.Plugins.GUIShop.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00188] in <4acaa5f875cc4e579e500b38f1799abe>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <9affce1cd15c4ec183941adef8db1722>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <4452f821def6406d834e4149849fe7ea>:0

at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <4452f821def6406d834e4149849fe7ea>:0

(Filename: C:\buildslave\unity\build\Runtime/Export/Debug.bindings.h Line: 43)