give command

20:41:05  
Failed to call hook 'GiveLegendaryCMD' on plugin 'ItemPerksLegendaryItems v1.0.13' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.ItemPerks+Item_MaxStackable_Patch.Prefix (Item __instance, System.Int32& __result) [0x00076] in <39b53d0347cd4bdea7f205f9c687c9b3>:0
at (wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Item.MaxStackable_Patch2(Item)
at PlayerInventory.GetIdealPickupContainer (Item item, System.Boolean tryWearClothing) [0x00000] in <616082a036f44680a1abefc5766796cc>:0
at PlayerInventory.GiveItem (Item item, ItemMoveModifier modifiers, ItemContainer container, GiveItemOptions options) [0x00018] in <616082a036f44680a1abefc5766796cc>:0
at PlayerInventory.GiveItem (Item item, ItemContainer container, GiveItemOptions options) [0x00000] in <616082a036f44680a1abefc5766796cc>:0
at BasePlayer.GiveItem (Item item, BaseEntity+GiveItemReason reason, GiveItemOptions options) [0x0004f] in <616082a036f44680a1abefc5766796cc>:0
at Oxide.Plugins.ItemPerksLegendaryItems.GiveLegendaryCMD (ConsoleSystem+Arg arg) [0x00199] in <b347703752f040279cc5041b034c55a7>:0
at Oxide.Plugins.ItemPerksLegendaryItems.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00d7a] in <b347703752f040279cc5041b034c55a7>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <42f9bedc659b4f4786eb778d3cd58968>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in <15f61ddda771464d8246ebdce8ff4811>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <15f61ddda771464d8246ebdce8ff4811>:0

Will fix in the next release of ItemPerks. In the meantime it should go away with a server restart.