ShellNotRunningException
From Real Software Documentation
Class (inherits from RuntimeException)
You tried to pass a string to a Shell that is not running.
Notes
The ShellNotRunningException error will occur if you try to pass a string for the Shell to execute but it is not running. This can happen if you are using the Shell interactively and it has been closed prior to passing the string.
Example
This example is an Exception block that traps for ShellNotRunningExceptions.
See Also
Shell class.
