CRRDG1118E Debug Daemon failed to start because port port_number is
invalid or is in use.
Explanation
The Debug Daemon was unable to start on the port specified
in the preferences because the port was invalid or the port was in
use by another instance of the product.
System action
The Debug Daemon preferences are not saved.
User response
Ensure that the port is valid and no other applications
are listening on the specified port. Alternately, select a different
port for the daemon. Check the workspace log for any related messages.