The new DLL is throwing an error:
System.TypeInitializationException: The type initializer for 'FoxNetSoft.Plugin.Misc.StampsConnector.Domain.StampsServiceTypes' threw an exception.
---> System.ArgumentException: An item with the same key has already been added. Key: USPS
at System.Collections.Generic.Dictionary`2.TryInsert(TKey key, TValue value, InsertionBehavior behavior)
at System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value)
at FoxNetSoft.Plugin.Misc.StampsConnector.Domain.StampsServiceTypes..cctor()