大神帮忙看看这个报错是什么

463139657

过季节转到超不多该保存的时候就报错这个  看不懂  求解答


ArgumentException: An item with the same key has already been added. Key: 312
  at System.Collections.Generic.Dictionary`2[TKey,TValue].TryInsert (TKey key, TValue value, System.Collections.Generic.InsertionBehavior behavior) [0x000c1] in <d7ac571ca2d04b2f981d0d886fa067cf>:0
  at System.Collections.Generic.Dictionary`2[TKey,TValue].Add (TKey key, TValue value) [0x00000] in <d7ac571ca2d04b2f981d0d886fa067cf>:0
  at DateFile.AddSocial (System.Int32 actorId1, System.Int32 actorId2, System.Int32 scoialTyp) [0x00237] in <a326024b8a19424a86e0cb9ffa94bc75>:0
  at PeopleLifeAI.AISetOtherLove (System.Int32 mianActorId, System.Int32 actorId, System.Int32 loveId, System.Int32 partId, System.Int32 placeId) [0x00001] in <a326024b8a19424a86e0cb9ffa94bc75>:0
  at PeopleLifeAI.DoTrunAIChange (System.Int32 actorId, System.Int32 partId, System.Int32 placeId, System.Int32 mianActorId, System.Int32 worldId, System.Collections.Generic.Dictionary`2[TKey,TValue] mianActorItem) [0x09a00] in <a326024b8a19424a86e0cb9ffa94bc75>:0
  at PeopleLifeAI+<DoPeopleTrunChange>d__31.MoveNext () [0x01cb7] in <a326024b8a19424a86e0cb9ffa94bc75>:0
  at UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator enumerator, System.IntPtr returnValueAddress) [0x00027] in <945c24c342914372bc599495ca1ade0d>:0

(Filename: <d7ac571ca2d04b2f981d0d886fa067cf> Line: 0)