Please, install libgtk2.0-0 in devcloud for solve the problem... I am stop with my works. Bellow the command.
$ sudo apt-get install libgtk2.0-0
Sorry for the late response and dev team is looking at this and see how to fix. This is a deployment issue on DevCloud.
Just a question, from your perspective, you want to use DevCloud to evaluate VPL or you want to use it to develop VPL?