CRRDG1120E Debug Secure Daemon failed to start because port_number is
invalid or is in use.
Explanation
The Debug Secure Daemon was unable to start on the
secured 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 Secure Daemon does not start, and incoming
sessions are not allowed.
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.