Function for LAN communication between servers has been deprecated on version1.7.
For more details, please refer to migration from ProudNet 1.6 to 1.7.
LAN client make user worker thread pool during connecting process (CLanClient.Connect). It will remove during disconnecting process (CLandClient.Disconnect).
So LAN client cannot operate disconnect or connect order in user worker thread. If it try that, Proud.Exception will be throw.