ArgumentException: An item with the same key has already been added. Key: izvekland
at System.Collections.Generic.Dictionary2[TKey,TValue].TryInsert (TKey key, TValue value, System.Collections.Generic.InsertionBehavior behavior) [0x000c1] in <fb001e01371b4adca20013e0ac763896>:0
at System.Collections.Generic.Dictionary2[TKey,TValue].Add (TKey key, TValue value) [0x00000] in <fb001e01371b4adca20013e0ac763896>:0
at Spatial.Grid`1[T].Add (T obj, System.Single x, System.Single y) [0x00011] in <7048f8882f604c6eb05c32e11e0653f3>:0
at BaseEntity+Query+EntityTree.AddPlayer (BasePlayer player) [0x0000c] in <a1a76f898f8c418f92ad32de2c24276b>:0
at Oxide.Plugins.Vanish+VanishPositionUpdate.OnDestroy () [0x00061] in <54d919f14ad34466a1a55e2a9ea400ea>:0

(Filename: <fb001e01371b4adca20013e0ac763896> Line: 0)

It happens when I do not turn off Vanish, I exit the game, then I go into this ErroR, and the icon icon remains. I enter /vanish and it was already turned off!