To make this project work follow the below steps:

1. Adjust your vm arguments as follows (not on server): --module-path {project-path}\libs\javafx-sdk-19-{your-os}\lib --add-modules=javafx.controls (for runtime)

2. Set the main class of your run configuration to de.hswt.swa.gui.MainFrame.

3. Add the files from {project-path}\libs\{foldername}\lib to your project dependencies. (for IDE)