matchmaker re-connection to a game and token dictionary

Hello,
I just tried to use the matchmaker as described here: http://docs.unity3d.com/Manual/UNetMatchMaker.html
But I had a problem when disconnecting from a party with:

networkMatch.DropConnection(joinResponce.networkId, joinResponce.nodeId, OnConnectionDropped);

The disconnection is effective but when I try to reconnect to the same party, I got this:

It seems that token are not flushed client-side. This error end with a timeout disconnection.
Did I forgot something that would have flushed the token?

Thank You

They said they fixed in 5.3.0, but it is not!

Problem solved for me with Unity 5.3.1