Solved Problem.But Not sure it's right or not

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Have trouble when doing PhotonNetwork.Instantiate after newSceneLoaded.Call this function but nothing happens.

finally,got this in NetworkingPeer.cs(LINE:3016)
if (group != 0 && !this.allowedReceivingGroups.Contains(group)) { return null; // Ignore group }
This cause this function Terminate instead of set group to default
if (group != 0 && !this.allowedReceivingGroups.Contains(group)) { ;//return null; // Ignore group }
This will work,but lose the Ignore.

Anyone get ideas to fix it?