Loading Game Critical Error same key issue

Game Save

Noble Fates Critical Error:

ArgumentException: An item with the same key has already been added. Key: Faction+TitleItemFilter

System.Collections.Generic.Dictionary`2[TKey,TValue].TryInsert (TKey key, TValue value, System.Collections.Generic.InsertionBehavior behavior) (at :0)

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

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

OctSaveReaderBin.SerializeObject (System.Boolean readByteCode) (at <92e6453711904080bee6e95ab3d391c9>:0)

OctSaveReaderBin.SerializeObjects (System.Int32 limit) (at <92e6453711904080bee6e95ab3d391c9>:0)

OctSaveManager.Load () (at <92e6453711904080bee6e95ab3d391c9>:0)

ManagerBehavior.UpdateLoading () (at <92e6453711904080bee6e95ab3d391c9>:0)

ManagerBehavior.Update () (at <92e6453711904080bee6e95ab3d391c9>:0)

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