When trying to create an IOBox of type Observable<Tuple (2 Items)<StateModel, StateModel>>, gamma creates this weird IOBox (that cannot be moved/deleted, similarly to this bugreport) :
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
---> System.Xml.XmlException: The ' ' character, hexadecimal value 0x20, cannot be included in a name.
the other day i tried to reproduce the problem but failed. So i guess i need more details, a failing patch or something like that. Did you try the latest gamma version? thanks!
managed to repro in 0321 with the attached document. you just need to open it and create an IOBox out of the Join (Tuple 2 Items) node :
Exception has been thrown by the target of an invocation. ---> System.Xml.XmlException: The ' ' character, hexadecimal value 0x20, cannot be included in a name.