BlueprintManager was compiled successfully in 2570ms
InvalidOperationException: Sequence contains no elements
[Blueprint Manager] Configuration changes saved to BlueprintManager.json

when changing this "Simple Mode (disables advance blueprint management options)": false, to TRUE, I get the following error;

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 <fb001e01371b4adca20013e0ac763896>:0
at System.Collections.Generic.Dictionary`2[TKey,TValue].Add (TKey key, TValue value) [0x00000] in <fb001e01371b4adca20013e0ac763896>:0
at Oxide.Plugins.BlueprintManager.OnServerInitialized () [0x00433] in <fac9e28f66c8421f910e4f91a0f209ce>:0
at Oxide.Plugins.BlueprintManager.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0006a] in <fac9e28f66c8421f910e4f91a0f209ce>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <ccbecb1690ac40048b5b01f4ad263c1c>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <157a94ee66ab4a7991faecd1eb84be3b>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <157a94ee66ab4a7991faecd1eb84be3b>:0