This excpetion is generally invoked when the user has either configured the
properties file incorrectly or invoked the feynman.jar file with an
incorrect command line.
This excpetion is generally invoked when the user has either configured the
properties file incorrectly by specifying not specifying a sub-class of the
PhysicalObjectthat cannot be created by the Factory.
This excpetion is generally invoked when the user has either configured the
properties file incorrectly by specifying a sub-class of the PhysicalObject
that cannot be created by the Factory.