Just upgraded to 3.3.0 and getting this error quite often, but not sure how to resolve:
Failed to call hook 'OnItemCraft' on plugin 'CraftingController v3.3.0' (NullReferenceException: Object reference not set to an instance of an object)
at Item.OnChanged () [0x0001d] in <e56798bd356040bc8e6ce5582a75c9c3>:0
at Item.MarkDirty () [0x00000] in <e56798bd356040bc8e6ce5582a75c9c3>:0
at Item.set_maxCondition (System.Single value) [0x00029] in <e56798bd356040bc8e6ce5582a75c9c3>:0
at Item.Initialize (ItemDefinition template) [0x00015] in <e56798bd356040bc8e6ce5582a75c9c3>:0
at ItemManager.Create (ItemDefinition template, System.Int32 iAmount, System.UInt64 skin) [0x00065] in <e56798bd356040bc8e6ce5582a75c9c3>:0
at Oxide.Plugins.CraftingController.InstantBulkCraft (BasePlayer player, ItemCraftTask task, ItemDefinition item, System.Collections.Generic.List`1[T] stacks, System.Int32 craftSkin, System.UInt64 skin) [0x00028] in <44a0835034504e80855ca99860df9e6f>:0
at Oxide.Plugins.CraftingController.OnItemCraft (ItemCraftTask task, BasePlayer player) [0x0033c] in <44a0835034504e80855ca99860df9e6f>:0
at Oxide.Plugins.CraftingController.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0022a] in <44a0835034504e80855ca99860df9e6f>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <87ce9ac9776a48658bc55eae6debe38b>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <18d4f19bbc844191b11ed9e69284d09b>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <18d4f19bbc844191b11ed9e69284d09b>:0