NullReferenceException at IsBlockedFixed
Updated to 2.0.1 this morning and now this happens:

(11:01:25) | Failed to call hook 'OnItemCraft' on plugin 'InstantCraft v2.0.1' (NullReferenceException: Object reference not set to an instance of an object)
    at Oxide.Plugins.InstantCraft.IsBlocked (System.String name) [0x00000] in <ee48ddf3c0394596a251417962d49d76>:0
    at Oxide.Plugins.InstantCraft.OnCraft (ItemCraftTask task) [0x0001a] in <ee48ddf3c0394596a251417962d49d76>:0
    at Oxide.Plugins.InstantCraft.OnItemCraft (ItemCraftTask item) [0x00000] in <ee48ddf3c0394596a251417962d49d76>:0
    at Oxide.Plugins.InstantCraft.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00126] in <ee48ddf3c0394596a251417962d49d76>: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


Resolved by deleting InstantCraft.json and having plugin regenerate it.

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 Failed to call hook 'OnItemCraft' on plugin 'InstantCraft v2.0.1' (NullReferenceException: Object reference not set to an instance of an object) at Oxide.Plugins.InstantCraft.IsBlocked (System.String name) [0x00000] in :0 at Oxide.Plugins.InstantCraft.OnCraft (ItemCraftTask task) [0x0001a] in :0 at Oxide.Plugins.InstantCraft.OnItemCraft (ItemCraftTask item) [0x00000] in :0 at Oxide.Plugins.InstantCraft.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00126] in :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
So solution is -> delete config and reload the plugin
Failed to call hook 'OnItemCraft' on plugin 'InstantCraft v2.0.3' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.InstantCraft.IsBlocked (System.String name) [0x00000] in <4827c89beb3f43e59d43badb07644299>:0
at Oxide.Plugins.InstantCraft.OnCraft (ItemCraftTask task) [0x0001a] in <4827c89beb3f43e59d43badb07644299>:0
at Oxide.Plugins.InstantCraft.OnItemCraft (ItemCraftTask item) [0x00000] in <4827c89beb3f43e59d43badb07644299>:0
at Oxide.Plugins.InstantCraft.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000c9] in <4827c89beb3f43e59d43badb07644299>: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
21:56:33) | Failed to call hook 'OnItemCraft' on plugin 'InstantCraft v2.0.3' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.InstantCraft.IsBlocked (System.String name) [0x00000] in <c0c084c3e8024ef0a25216e0ad78ba0d>:0
at Oxide.Plugins.InstantCraft.OnCraft (ItemCraftTask task) [0x0001a] in <c0c084c3e8024ef0a25216e0ad78ba0d>:0
at Oxide.Plugins.InstantCraft.OnItemCraft (ItemCraftTask item) [0x00000] in <c0c084c3e8024ef0a25216e0ad78ba0d>:0
at Oxide.Plugins.InstantCraft.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000c9] in <c0c084c3e8024ef0a25216e0ad78ba0d>: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
Locked automatically