JRE (Java Runtime Environment) in version 1.8 of higher must be installed. To check the version of the installed JRE, use following command:
Predictor Factory is using JavaFX present in Oracle's JRE. If a non-Oracle JRE is installed (commonly OpenJDK, the default JRE on Ubuntu), the support for JavaFX has to be installed separately:
sudo apt-get install openjfx
Write permission The GUI of PredictorFactory needs to write down the created set up in config subdirectory. Hence, if
C:\Program Files does not work, put PredictorFactory into your home directory.