RSA signed webCDcreator.jar required

The selected option to run webCDcreator requires the RSA signed version of webCDcreator.jar to be installed on the server. Get

webCDcreatorRSA-2.6.7.sh

and execute the command
$ sh webCDcreatorRSA-2.6.7.sh
on the server (or ask the administrator of the server to do so).