Failed to call hook 'OnServerInitialized' on plugin 'BlueprintManager v2.0.6' (ArgumentException: An item with the same key has already been added. Key: -1478212975)
  at System.Collections.Generic.Dictionary`2[TKey,TValue].TryInsert (TKey key, TValue value, System.Collections.Generic.InsertionBehavior behavior) [0x000c1] in :0

  at System.Collections.Generic.Dictionary`2[TKey,TValue].Add (TKey key, TValue value) [0x00000] in :0

  at Oxide.Plugins.BlueprintManager.OnServerInitialized () [0x00433] in <844d438e45a743bab9ba958e4158e5a1>:0

  at Oxide.Plugins.BlueprintManager.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0006a] in <844d438e45a743bab9ba958e4158e5a1>: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 :0

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

could be due to it needing an update for new items?