The ExceptionManager stores and manages exception handlers. Each exception handler is a callback which you register against the object by sending the message "register" to the ExceptionManager.
The ExceptionManager also provides the "errorMessage" method to retrieve the error message for a specific exception number.
See method register.
See method errorMessage.
Include this entry in the Class-Control paragraph of any program using this class.
Exceptionmanager is class "exptnmgr"