"Failed at InvokeHandler" error happens sometimes when client does an emote

[LordVGames]

the client still emotes fine but this error appears sometimes and it kinda bloats the log if there was a lot of emoting

[04:53:30.9135368] [Info   :Custom Emotes API] Recieved message to play Scenario on client. Playing on mdlEnforcer (UnityEngine.Transform)
[04:53:31.1658473] [Error  : Unity Log] Failed at InvokeHandler, probably malformed packet!
System.Collections.Generic.KeyNotFoundException: The given key '' was not present in the dictionary.
  at System.Collections.Generic.Dictionary`2[TKey,TValue].get_Item (TKey key) [0x0001e] in <7e05db41a20b45108859fa03b97088d4>:IL_001E 
  at SyncAnimationToServer.OnReceived () [0x00059] in <6e5f4e06b1854a21bd24c1e59b50cc53>:IL_0059 
  at R2API.Networking.NetworkingAPI.HandleMessageServer (UnityEngine.Networking.NetworkMessage msg) [0x0003d] in <d92173f2be9a4f2da72901f1609a6f2c>:IL_003D 
  at (wrapper dynamic-method) UnityEngine.Networking.NetworkConnection.DMD<UnityEngine.Networking.NetworkConnection::InvokeDelegateWithCatch>(UnityEngine.Networking.NetworkConnection,UnityEngine.Networking.NetworkMessageDelegate,UnityEngine.Networking.NetworkMessage)